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Finding the Fourth Proportional to 169,920.48, 234,490.56 and 94,469.04

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Solution

The fourth proportional to 169,920.48, 234,490.56 and 94,469.04 is: 130,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,920.48 : 234,490.56 = 94,469.04 : x
  2. Step 2: Convert to fraction form
    169,920.48/234,490.56 = 94,469.04/x
  3. Step 3: Cross multiply
    169,920.48x = 234,490.56 × 94,469.04
  4. Step 4: Simplify right side
    169,920.48x = 22,152,098,092.26
  5. Step 5: Solve for x
    x = 22,152,098,092.26/169,920.48
  6. Step 6: Final answer
    x = 130,367.44

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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.