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Finding the Fourth Proportional to 178,044.80, 267,067.20 and 157,827.20

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Solution

The fourth proportional to 178,044.80, 267,067.20 and 157,827.20 is: 236,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,044.80 : 267,067.20 = 157,827.20 : x
  2. Step 2: Convert to fraction form
    178,044.80/267,067.20 = 157,827.20/x
  3. Step 3: Cross multiply
    178,044.80x = 267,067.20 × 157,827.20
  4. Step 4: Simplify right side
    178,044.80x = 42,150,468,387.84
  5. Step 5: Solve for x
    x = 42,150,468,387.84/178,044.80
  6. Step 6: Final answer
    x = 236,740.80

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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.