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Finding the Fourth Proportional to 252,577.88, 378,600.24 and 84,052.88

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Solution

The fourth proportional to 252,577.88, 378,600.24 and 84,052.88 is: 125,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,577.88 : 378,600.24 = 84,052.88 : x
  2. Step 2: Convert to fraction form
    252,577.88/378,600.24 = 84,052.88/x
  3. Step 3: Cross multiply
    252,577.88x = 378,600.24 × 84,052.88
  4. Step 4: Simplify right side
    252,577.88x = 31,822,440,540.69
  5. Step 5: Solve for x
    x = 31,822,440,540.69/252,577.88
  6. Step 6: Final answer
    x = 125,990.61

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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.