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Finding the Fourth Proportional to 88,822.20, 133,200.90 and 29,659.80

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Solution

The fourth proportional to 88,822.20, 133,200.90 and 29,659.80 is: 44,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,822.20 : 133,200.90 = 29,659.80 : x
  2. Step 2: Convert to fraction form
    88,822.20/133,200.90 = 29,659.80/x
  3. Step 3: Cross multiply
    88,822.20x = 133,200.90 × 29,659.80
  4. Step 4: Simplify right side
    88,822.20x = 3,950,712,053.82
  5. Step 5: Solve for x
    x = 3,950,712,053.82/88,822.20
  6. Step 6: Final answer
    x = 44,478.88

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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.