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Finding the Fourth Proportional to 96,843.27, 133,631.28 and 56,527.86

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Solution

The fourth proportional to 96,843.27, 133,631.28 and 56,527.86 is: 78,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,843.27 : 133,631.28 = 56,527.86 : x
  2. Step 2: Convert to fraction form
    96,843.27/133,631.28 = 56,527.86/x
  3. Step 3: Cross multiply
    96,843.27x = 133,631.28 × 56,527.86
  4. Step 4: Simplify right side
    96,843.27x = 7,553,890,287.46
  5. Step 5: Solve for x
    x = 7,553,890,287.46/96,843.27
  6. Step 6: Final answer
    x = 78,001.19

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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.