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Finding the Fourth Proportional to 267,079.20, 400,035.60 and 161,714.40

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Solution

The fourth proportional to 267,079.20, 400,035.60 and 161,714.40 is: 242,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,079.20 : 400,035.60 = 161,714.40 : x
  2. Step 2: Convert to fraction form
    267,079.20/400,035.60 = 161,714.40/x
  3. Step 3: Cross multiply
    267,079.20x = 400,035.60 × 161,714.40
  4. Step 4: Simplify right side
    267,079.20x = 64,691,517,032.64
  5. Step 5: Solve for x
    x = 64,691,517,032.64/267,079.20
  6. Step 6: Final answer
    x = 242,218.48

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1.5x scale

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.