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Finding the Fourth Proportional to 155,177.92, 232,781.92 and 61,662.72

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Solution

The fourth proportional to 155,177.92, 232,781.92 and 61,662.72 is: 92,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,177.92 : 232,781.92 = 61,662.72 : x
  2. Step 2: Convert to fraction form
    155,177.92/232,781.92 = 61,662.72/x
  3. Step 3: Cross multiply
    155,177.92x = 232,781.92 × 61,662.72
  4. Step 4: Simplify right side
    155,177.92x = 14,353,966,354.02
  5. Step 5: Solve for x
    x = 14,353,966,354.02/155,177.92
  6. Step 6: Final answer
    x = 92,500.06

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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.