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Finding the Fourth Proportional to 252,080.74, 347,857.68 and 156,585.70

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Solution

The fourth proportional to 252,080.74, 347,857.68 and 156,585.70 is: 216,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,080.74 : 347,857.68 = 156,585.70 : x
  2. Step 2: Convert to fraction form
    252,080.74/347,857.68 = 156,585.70/x
  3. Step 3: Cross multiply
    252,080.74x = 347,857.68 × 156,585.70
  4. Step 4: Simplify right side
    252,080.74x = 54,469,538,323.18
  5. Step 5: Solve for x
    x = 54,469,538,323.18/252,080.74
  6. Step 6: Final answer
    x = 216,079.73

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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.