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Finding the Fourth Proportional to 159,609.40, 239,414.10 and 93,124.60

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Solution

The fourth proportional to 159,609.40, 239,414.10 and 93,124.60 is: 139,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,609.40 : 239,414.10 = 93,124.60 : x
  2. Step 2: Convert to fraction form
    159,609.40/239,414.10 = 93,124.60/x
  3. Step 3: Cross multiply
    159,609.40x = 239,414.10 × 93,124.60
  4. Step 4: Simplify right side
    159,609.40x = 22,295,342,296.86
  5. Step 5: Solve for x
    x = 22,295,342,296.86/159,609.40
  6. Step 6: Final answer
    x = 139,686.90

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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.