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Finding the Fourth Proportional to 252,990.82, 379,487.89 and 101,200.59

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Solution

The fourth proportional to 252,990.82, 379,487.89 and 101,200.59 is: 151,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,990.82 : 379,487.89 = 101,200.59 : x
  2. Step 2: Convert to fraction form
    252,990.82/379,487.89 = 101,200.59/x
  3. Step 3: Cross multiply
    252,990.82x = 379,487.89 × 101,200.59
  4. Step 4: Simplify right side
    252,990.82x = 38,404,397,923.10
  5. Step 5: Solve for x
    x = 38,404,397,923.10/252,990.82
  6. Step 6: Final answer
    x = 151,801.55

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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.