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Finding the Fourth Proportional to 73,704.60, 110,492.10 and 44,134.20

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Solution

The fourth proportional to 73,704.60, 110,492.10 and 44,134.20 is: 66,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,704.60 : 110,492.10 = 44,134.20 : x
  2. Step 2: Convert to fraction form
    73,704.60/110,492.10 = 44,134.20/x
  3. Step 3: Cross multiply
    73,704.60x = 110,492.10 × 44,134.20
  4. Step 4: Simplify right side
    73,704.60x = 4,876,480,439.82
  5. Step 5: Solve for x
    x = 4,876,480,439.82/73,704.60
  6. Step 6: Final answer
    x = 66,162.50

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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.