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Finding the Fourth Proportional to 73,592.92, 101,660.70 and 70,861.96

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Solution

The fourth proportional to 73,592.92, 101,660.70 and 70,861.96 is: 97,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,592.92 : 101,660.70 = 70,861.96 : x
  2. Step 2: Convert to fraction form
    73,592.92/101,660.70 = 70,861.96/x
  3. Step 3: Cross multiply
    73,592.92x = 101,660.70 × 70,861.96
  4. Step 4: Simplify right side
    73,592.92x = 7,203,876,456.97
  5. Step 5: Solve for x
    x = 7,203,876,456.97/73,592.92
  6. Step 6: Final answer
    x = 97,888.17

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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.