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Finding the Fourth Proportional to 225,141.76, 337,666.56 and 84,823.04

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Solution

The fourth proportional to 225,141.76, 337,666.56 and 84,823.04 is: 127,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,141.76 : 337,666.56 = 84,823.04 : x
  2. Step 2: Convert to fraction form
    225,141.76/337,666.56 = 84,823.04/x
  3. Step 3: Cross multiply
    225,141.76x = 337,666.56 × 84,823.04
  4. Step 4: Simplify right side
    225,141.76x = 28,641,904,125.54
  5. Step 5: Solve for x
    x = 28,641,904,125.54/225,141.76
  6. Step 6: Final answer
    x = 127,217.20

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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.