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Finding the Fourth Proportional to 85,073.37, 127,600.32 and 22,748.73

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Solution

The fourth proportional to 85,073.37, 127,600.32 and 22,748.73 is: 34,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,073.37 : 127,600.32 = 22,748.73 : x
  2. Step 2: Convert to fraction form
    85,073.37/127,600.32 = 22,748.73/x
  3. Step 3: Cross multiply
    85,073.37x = 127,600.32 × 22,748.73
  4. Step 4: Simplify right side
    85,073.37x = 2,902,745,227.59
  5. Step 5: Solve for x
    x = 2,902,745,227.59/85,073.37
  6. Step 6: Final answer
    x = 34,120.49

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1.5x scale

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.