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Finding the Fourth Proportional to 269,654.92, 372,146.52 and 156,470.38

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Solution

The fourth proportional to 269,654.92, 372,146.52 and 156,470.38 is: 215,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,654.92 : 372,146.52 = 156,470.38 : x
  2. Step 2: Convert to fraction form
    269,654.92/372,146.52 = 156,470.38/x
  3. Step 3: Cross multiply
    269,654.92x = 372,146.52 × 156,470.38
  4. Step 4: Simplify right side
    269,654.92x = 58,229,907,400.08
  5. Step 5: Solve for x
    x = 58,229,907,400.08/269,654.92
  6. Step 6: Final answer
    x = 215,942.31

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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.