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Finding the Fourth Proportional to 103,665.83, 155,498.75 and 33,552.23

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Solution

The fourth proportional to 103,665.83, 155,498.75 and 33,552.23 is: 50,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,665.83 : 155,498.75 = 33,552.23 : x
  2. Step 2: Convert to fraction form
    103,665.83/155,498.75 = 33,552.23/x
  3. Step 3: Cross multiply
    103,665.83x = 155,498.75 × 33,552.23
  4. Step 4: Simplify right side
    103,665.83x = 5,217,329,824.71
  5. Step 5: Solve for x
    x = 5,217,329,824.71/103,665.83
  6. Step 6: Final answer
    x = 50,328.35

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Double scale
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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.