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Finding the Fourth Proportional to 92,520.90, 138,780.90 and 22,400.22

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Solution

The fourth proportional to 92,520.90, 138,780.90 and 22,400.22 is: 33,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,520.90 : 138,780.90 = 22,400.22 : x
  2. Step 2: Convert to fraction form
    92,520.90/138,780.90 = 22,400.22/x
  3. Step 3: Cross multiply
    92,520.90x = 138,780.90 × 22,400.22
  4. Step 4: Simplify right side
    92,520.90x = 3,108,722,691.80
  5. Step 5: Solve for x
    x = 3,108,722,691.80/92,520.90
  6. Step 6: Final answer
    x = 33,600.22

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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.