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Finding the Fourth Proportional to 67,068.32, 100,624.32 and 32,003.44

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Solution

The fourth proportional to 67,068.32, 100,624.32 and 32,003.44 is: 48,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068.32 : 100,624.32 = 32,003.44 : x
  2. Step 2: Convert to fraction form
    67,068.32/100,624.32 = 32,003.44/x
  3. Step 3: Cross multiply
    67,068.32x = 100,624.32 × 32,003.44
  4. Step 4: Simplify right side
    67,068.32x = 3,220,324,387.66
  5. Step 5: Solve for x
    x = 3,220,324,387.66/67,068.32
  6. Step 6: Final answer
    x = 48,015.58

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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.