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Finding the Fourth Proportional to 96,656, 133,385.52 and 56,397.44

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Solution

The fourth proportional to 96,656, 133,385.52 and 56,397.44 is: 77,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,656 : 133,385.52 = 56,397.44 : x
  2. Step 2: Convert to fraction form
    96,656/133,385.52 = 56,397.44/x
  3. Step 3: Cross multiply
    96,656x = 133,385.52 × 56,397.44
  4. Step 4: Simplify right side
    96,656x = 7,522,601,861.07
  5. Step 5: Solve for x
    x = 7,522,601,861.07/96,656
  6. Step 6: Final answer
    x = 77,828.61

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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.