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Finding the Fourth Proportional to 267,589.38, 401,103.10 and 90,034.76

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Solution

The fourth proportional to 267,589.38, 401,103.10 and 90,034.76 is: 134,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,589.38 : 401,103.10 = 90,034.76 : x
  2. Step 2: Convert to fraction form
    267,589.38/401,103.10 = 90,034.76/x
  3. Step 3: Cross multiply
    267,589.38x = 401,103.10 × 90,034.76
  4. Step 4: Simplify right side
    267,589.38x = 36,113,221,343.76
  5. Step 5: Solve for x
    x = 36,113,221,343.76/267,589.38
  6. Step 6: Final answer
    x = 134,957.60

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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.