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Finding the Fourth Proportional to 71,254.46, 106,882.90 and 26,902.10

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Solution

The fourth proportional to 71,254.46, 106,882.90 and 26,902.10 is: 40,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,254.46 : 106,882.90 = 26,902.10 : x
  2. Step 2: Convert to fraction form
    71,254.46/106,882.90 = 26,902.10/x
  3. Step 3: Cross multiply
    71,254.46x = 106,882.90 × 26,902.10
  4. Step 4: Simplify right side
    71,254.46x = 2,875,374,464.09
  5. Step 5: Solve for x
    x = 2,875,374,464.09/71,254.46
  6. Step 6: Final answer
    x = 40,353.61

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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.