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Finding the Fourth Proportional to 62,354.40, 93,531.60 and 55,744.80

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Solution

The fourth proportional to 62,354.40, 93,531.60 and 55,744.80 is: 83,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,354.40 : 93,531.60 = 55,744.80 : x
  2. Step 2: Convert to fraction form
    62,354.40/93,531.60 = 55,744.80/x
  3. Step 3: Cross multiply
    62,354.40x = 93,531.60 × 55,744.80
  4. Step 4: Simplify right side
    62,354.40x = 5,213,900,335.68
  5. Step 5: Solve for x
    x = 5,213,900,335.68/62,354.40
  6. Step 6: Final answer
    x = 83,617.20

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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.