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Finding the Fourth Proportional to 252,752.91, 348,757.65 and 149,372.71

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Solution

The fourth proportional to 252,752.91, 348,757.65 and 149,372.71 is: 206,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,752.91 : 348,757.65 = 149,372.71 : x
  2. Step 2: Convert to fraction form
    252,752.91/348,757.65 = 149,372.71/x
  3. Step 3: Cross multiply
    252,752.91x = 348,757.65 × 149,372.71
  4. Step 4: Simplify right side
    252,752.91x = 52,094,874,441.84
  5. Step 5: Solve for x
    x = 52,094,874,441.84/252,752.91
  6. Step 6: Final answer
    x = 206,109.89

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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.