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Finding the Fourth Proportional to 267,508.40, 401,262.60 and 89,956.40

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Solution

The fourth proportional to 267,508.40, 401,262.60 and 89,956.40 is: 134,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,508.40 : 401,262.60 = 89,956.40 : x
  2. Step 2: Convert to fraction form
    267,508.40/401,262.60 = 89,956.40/x
  3. Step 3: Cross multiply
    267,508.40x = 401,262.60 × 89,956.40
  4. Step 4: Simplify right side
    267,508.40x = 36,096,138,950.64
  5. Step 5: Solve for x
    x = 36,096,138,950.64/267,508.40
  6. Step 6: Final answer
    x = 134,934.60

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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.