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Finding the Fourth Proportional to 147,668.17, 203,711.16 and 96,658.42

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Solution

The fourth proportional to 147,668.17, 203,711.16 and 96,658.42 is: 133,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,668.17 : 203,711.16 = 96,658.42 : x
  2. Step 2: Convert to fraction form
    147,668.17/203,711.16 = 96,658.42/x
  3. Step 3: Cross multiply
    147,668.17x = 203,711.16 × 96,658.42
  4. Step 4: Simplify right side
    147,668.17x = 19,690,398,861.97
  5. Step 5: Solve for x
    x = 19,690,398,861.97/147,668.17
  6. Step 6: Final answer
    x = 133,342.20

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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.