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Finding the Fourth Proportional to 89,404.60, 134,123.10 and 44,919.40

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Solution

The fourth proportional to 89,404.60, 134,123.10 and 44,919.40 is: 67,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,404.60 : 134,123.10 = 44,919.40 : x
  2. Step 2: Convert to fraction form
    89,404.60/134,123.10 = 44,919.40/x
  3. Step 3: Cross multiply
    89,404.60x = 134,123.10 × 44,919.40
  4. Step 4: Simplify right side
    89,404.60x = 6,024,729,178.14
  5. Step 5: Solve for x
    x = 6,024,729,178.14/89,404.60
  6. Step 6: Final answer
    x = 67,387.24

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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.