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Finding the Fourth Proportional to 252,882.59, 348,977.70 and 145,449.86

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Solution

The fourth proportional to 252,882.59, 348,977.70 and 145,449.86 is: 200,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,882.59 : 348,977.70 = 145,449.86 : x
  2. Step 2: Convert to fraction form
    252,882.59/348,977.70 = 145,449.86/x
  3. Step 3: Cross multiply
    252,882.59x = 348,977.70 × 145,449.86
  4. Step 4: Simplify right side
    252,882.59x = 50,758,755,863.23
  5. Step 5: Solve for x
    x = 50,758,755,863.23/252,882.59
  6. Step 6: Final answer
    x = 200,720.65

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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.