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Finding the Fourth Proportional to 124,706.60, 187,059.90 and 62,354.60

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Solution

The fourth proportional to 124,706.60, 187,059.90 and 62,354.60 is: 93,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,706.60 : 187,059.90 = 62,354.60 : x
  2. Step 2: Convert to fraction form
    124,706.60/187,059.90 = 62,354.60/x
  3. Step 3: Cross multiply
    124,706.60x = 187,059.90 × 62,354.60
  4. Step 4: Simplify right side
    124,706.60x = 11,664,045,240.54
  5. Step 5: Solve for x
    x = 11,664,045,240.54/124,706.60
  6. Step 6: Final answer
    x = 93,531.90

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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.