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Finding the Fourth Proportional to 67,066.32, 100,621.32 and 32,001.44

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Solution

The fourth proportional to 67,066.32, 100,621.32 and 32,001.44 is: 48,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,066.32 : 100,621.32 = 32,001.44 : x
  2. Step 2: Convert to fraction form
    67,066.32/100,621.32 = 32,001.44/x
  3. Step 3: Cross multiply
    67,066.32x = 100,621.32 × 32,001.44
  4. Step 4: Simplify right side
    67,066.32x = 3,220,027,134.70
  5. Step 5: Solve for x
    x = 3,220,027,134.70/67,066.32
  6. Step 6: Final answer
    x = 48,012.58

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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.