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Finding the Fourth Proportional to 64,097.73, 88,379.82 and 43,691.87

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Solution

The fourth proportional to 64,097.73, 88,379.82 and 43,691.87 is: 60,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,097.73 : 88,379.82 = 43,691.87 : x
  2. Step 2: Convert to fraction form
    64,097.73/88,379.82 = 43,691.87/x
  3. Step 3: Cross multiply
    64,097.73x = 88,379.82 × 43,691.87
  4. Step 4: Simplify right side
    64,097.73x = 3,861,479,606.06
  5. Step 5: Solve for x
    x = 3,861,479,606.06/64,097.73
  6. Step 6: Final answer
    x = 60,243.62

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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.