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Finding the Fourth Proportional to 74,966.51, 112,469.24 and 22,375.98

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Solution

The fourth proportional to 74,966.51, 112,469.24 and 22,375.98 is: 33,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,966.51 : 112,469.24 = 22,375.98 : x
  2. Step 2: Convert to fraction form
    74,966.51/112,469.24 = 22,375.98/x
  3. Step 3: Cross multiply
    74,966.51x = 112,469.24 × 22,375.98
  4. Step 4: Simplify right side
    74,966.51x = 2,516,609,520.80
  5. Step 5: Solve for x
    x = 2,516,609,520.80/74,966.51
  6. Step 6: Final answer
    x = 33,569.78

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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.