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Finding the Fourth Proportional to 178,442.20, 267,404.10 and 152,003.80

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Solution

The fourth proportional to 178,442.20, 267,404.10 and 152,003.80 is: 227,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,442.20 : 267,404.10 = 152,003.80 : x
  2. Step 2: Convert to fraction form
    178,442.20/267,404.10 = 152,003.80/x
  3. Step 3: Cross multiply
    178,442.20x = 267,404.10 × 152,003.80
  4. Step 4: Simplify right side
    178,442.20x = 40,646,439,335.58
  5. Step 5: Solve for x
    x = 40,646,439,335.58/178,442.20
  6. Step 6: Final answer
    x = 227,784.90

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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.