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Finding the Fourth Proportional to 252,963.60, 379,882.80 and 134,865.60

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Solution

The fourth proportional to 252,963.60, 379,882.80 and 134,865.60 is: 202,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,963.60 : 379,882.80 = 134,865.60 : x
  2. Step 2: Convert to fraction form
    252,963.60/379,882.80 = 134,865.60/x
  3. Step 3: Cross multiply
    252,963.60x = 379,882.80 × 134,865.60
  4. Step 4: Simplify right side
    252,963.60x = 51,233,121,751.68
  5. Step 5: Solve for x
    x = 51,233,121,751.68/252,963.60
  6. Step 6: Final answer
    x = 202,531.60

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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.