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Finding the Fourth Proportional to 103,657.83, 155,486.74 and 33,544.23

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Solution

The fourth proportional to 103,657.83, 155,486.74 and 33,544.23 is: 50,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,657.83 : 155,486.74 = 33,544.23 : x
  2. Step 2: Convert to fraction form
    103,657.83/155,486.74 = 33,544.23/x
  3. Step 3: Cross multiply
    103,657.83x = 155,486.74 × 33,544.23
  4. Step 4: Simplify right side
    103,657.83x = 5,215,682,968.51
  5. Step 5: Solve for x
    x = 5,215,682,968.51/103,657.83
  6. Step 6: Final answer
    x = 50,316.34

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Half scale
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Double scale
Find fourth proportional to 103,658.83, 155,488.24 and 33,545.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.