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Finding the Fourth Proportional to 169,630.92, 234,081.54 and 94,174.56

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Solution

The fourth proportional to 169,630.92, 234,081.54 and 94,174.56 is: 129,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,630.92 : 234,081.54 = 94,174.56 : x
  2. Step 2: Convert to fraction form
    169,630.92/234,081.54 = 94,174.56/x
  3. Step 3: Cross multiply
    169,630.92x = 234,081.54 × 94,174.56
  4. Step 4: Simplify right side
    169,630.92x = 22,044,526,033.62
  5. Step 5: Solve for x
    x = 22,044,526,033.62/169,630.92
  6. Step 6: Final answer
    x = 129,955.82

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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.