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Finding the Fourth Proportional to 169,631.30, 234,082.05 and 94,174.94

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Solution

The fourth proportional to 169,631.30, 234,082.05 and 94,174.94 is: 129,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,631.30 : 234,082.05 = 94,174.94 : x
  2. Step 2: Convert to fraction form
    169,631.30/234,082.05 = 94,174.94/x
  3. Step 3: Cross multiply
    169,631.30x = 234,082.05 × 94,174.94
  4. Step 4: Simplify right side
    169,631.30x = 22,044,663,013.83
  5. Step 5: Solve for x
    x = 22,044,663,013.83/169,631.30
  6. Step 6: Final answer
    x = 129,956.34

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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.