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Finding the Fourth Proportional to 229,331.88, 316,481.10 and 127,363.92

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Solution

The fourth proportional to 229,331.88, 316,481.10 and 127,363.92 is: 175,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,331.88 : 316,481.10 = 127,363.92 : x
  2. Step 2: Convert to fraction form
    229,331.88/316,481.10 = 127,363.92/x
  3. Step 3: Cross multiply
    229,331.88x = 316,481.10 × 127,363.92
  4. Step 4: Simplify right side
    229,331.88x = 40,308,273,501.91
  5. Step 5: Solve for x
    x = 40,308,273,501.91/229,331.88
  6. Step 6: Final answer
    x = 175,763.93

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Why These Related Problems?

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