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Finding the Fourth Proportional to 103,486.14, 155,245.32 and 33,372.54

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Solution

The fourth proportional to 103,486.14, 155,245.32 and 33,372.54 is: 50,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486.14 : 155,245.32 = 33,372.54 : x
  2. Step 2: Convert to fraction form
    103,486.14/155,245.32 = 33,372.54/x
  3. Step 3: Cross multiply
    103,486.14x = 155,245.32 × 33,372.54
  4. Step 4: Simplify right side
    103,486.14x = 5,180,930,651.51
  5. Step 5: Solve for x
    x = 5,180,930,651.51/103,486.14
  6. Step 6: Final answer
    x = 50,064.01

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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.