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Finding the Fourth Proportional to 252,251.52, 348,131.70 and 188,478.60

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Solution

The fourth proportional to 252,251.52, 348,131.70 and 188,478.60 is: 260,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,251.52 : 348,131.70 = 188,478.60 : x
  2. Step 2: Convert to fraction form
    252,251.52/348,131.70 = 188,478.60/x
  3. Step 3: Cross multiply
    252,251.52x = 348,131.70 × 188,478.60
  4. Step 4: Simplify right side
    252,251.52x = 65,615,375,431.62
  5. Step 5: Solve for x
    x = 65,615,375,431.62/252,251.52
  6. Step 6: Final answer
    x = 260,118.85

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1.5x scale

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.