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Finding the Fourth Proportional to 97,129.92, 134,059.23 and 61,295.88

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Solution

The fourth proportional to 97,129.92, 134,059.23 and 61,295.88 is: 84,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,129.92 : 134,059.23 = 61,295.88 : x
  2. Step 2: Convert to fraction form
    97,129.92/134,059.23 = 61,295.88/x
  3. Step 3: Cross multiply
    97,129.92x = 134,059.23 × 61,295.88
  4. Step 4: Simplify right side
    97,129.92x = 8,217,278,474.97
  5. Step 5: Solve for x
    x = 8,217,278,474.97/97,129.92
  6. Step 6: Final answer
    x = 84,600.90

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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.