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Finding the Fourth Proportional to 92,300.59, 138,450.87 and 22,179.90

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Solution

The fourth proportional to 92,300.59, 138,450.87 and 22,179.90 is: 33,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,300.59 : 138,450.87 = 22,179.90 : x
  2. Step 2: Convert to fraction form
    92,300.59/138,450.87 = 22,179.90/x
  3. Step 3: Cross multiply
    92,300.59x = 138,450.87 × 22,179.90
  4. Step 4: Simplify right side
    92,300.59x = 3,070,826,340.61
  5. Step 5: Solve for x
    x = 3,070,826,340.61/92,300.59
  6. Step 6: Final answer
    x = 33,269.85

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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.