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Finding the Fourth Proportional to 92,608.32, 138,911.46 and 22,487.70

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Solution

The fourth proportional to 92,608.32, 138,911.46 and 22,487.70 is: 33,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,608.32 : 138,911.46 = 22,487.70 : x
  2. Step 2: Convert to fraction form
    92,608.32/138,911.46 = 22,487.70/x
  3. Step 3: Cross multiply
    92,608.32x = 138,911.46 × 22,487.70
  4. Step 4: Simplify right side
    92,608.32x = 3,123,799,239.04
  5. Step 5: Solve for x
    x = 3,123,799,239.04/92,608.32
  6. Step 6: Final answer
    x = 33,731.30

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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.