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Finding the Fourth Proportional to 85,073.62, 127,600.70 and 22,748.98

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Solution

The fourth proportional to 85,073.62, 127,600.70 and 22,748.98 is: 34,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,073.62 : 127,600.70 = 22,748.98 : x
  2. Step 2: Convert to fraction form
    85,073.62/127,600.70 = 22,748.98/x
  3. Step 3: Cross multiply
    85,073.62x = 127,600.70 × 22,748.98
  4. Step 4: Simplify right side
    85,073.62x = 2,902,785,772.29
  5. Step 5: Solve for x
    x = 2,902,785,772.29/85,073.62
  6. Step 6: Final answer
    x = 34,120.87

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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.