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Finding the Fourth Proportional to 61,123.92, 91,695.60 and 26,063.88

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Solution

The fourth proportional to 61,123.92, 91,695.60 and 26,063.88 is: 39,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,123.92 : 91,695.60 = 26,063.88 : x
  2. Step 2: Convert to fraction form
    61,123.92/91,695.60 = 26,063.88/x
  3. Step 3: Cross multiply
    61,123.92x = 91,695.60 × 26,063.88
  4. Step 4: Simplify right side
    61,123.92x = 2,389,943,114.93
  5. Step 5: Solve for x
    x = 2,389,943,114.93/61,123.92
  6. Step 6: Final answer
    x = 39,099.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.