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Finding the Fourth Proportional to 269,652.78, 372,106.17 and 148,770.27

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Solution

The fourth proportional to 269,652.78, 372,106.17 and 148,770.27 is: 205,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,652.78 : 372,106.17 = 148,770.27 : x
  2. Step 2: Convert to fraction form
    269,652.78/372,106.17 = 148,770.27/x
  3. Step 3: Cross multiply
    269,652.78x = 372,106.17 × 148,770.27
  4. Step 4: Simplify right side
    269,652.78x = 55,358,335,379.57
  5. Step 5: Solve for x
    x = 55,358,335,379.57/269,652.78
  6. Step 6: Final answer
    x = 205,294.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.