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Finding the Fourth Proportional to 227,141.49, 313,468.98 and 125,166.78

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Solution

The fourth proportional to 227,141.49, 313,468.98 and 125,166.78 is: 172,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,141.49 : 313,468.98 = 125,166.78 : x
  2. Step 2: Convert to fraction form
    227,141.49/313,468.98 = 125,166.78/x
  3. Step 3: Cross multiply
    227,141.49x = 313,468.98 × 125,166.78
  4. Step 4: Simplify right side
    227,141.49x = 39,235,902,856.48
  5. Step 5: Solve for x
    x = 39,235,902,856.48/227,141.49
  6. Step 6: Final answer
    x = 172,737.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.