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Finding the Fourth Proportional to 73,672.60, 110,444.10 and 44,102.20

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Solution

The fourth proportional to 73,672.60, 110,444.10 and 44,102.20 is: 66,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,672.60 : 110,444.10 = 44,102.20 : x
  2. Step 2: Convert to fraction form
    73,672.60/110,444.10 = 44,102.20/x
  3. Step 3: Cross multiply
    73,672.60x = 110,444.10 × 44,102.20
  4. Step 4: Simplify right side
    73,672.60x = 4,870,827,787.02
  5. Step 5: Solve for x
    x = 4,870,827,787.02/73,672.60
  6. Step 6: Final answer
    x = 66,114.51

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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.