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Finding the Fourth Proportional to 67,720.62, 101,606.86 and 32,657.34

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Solution

The fourth proportional to 67,720.62, 101,606.86 and 32,657.34 is: 48,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,720.62 : 101,606.86 = 32,657.34 : x
  2. Step 2: Convert to fraction form
    67,720.62/101,606.86 = 32,657.34/x
  3. Step 3: Cross multiply
    67,720.62x = 101,606.86 × 32,657.34
  4. Step 4: Simplify right side
    67,720.62x = 3,318,209,773.35
  5. Step 5: Solve for x
    x = 3,318,209,773.35/67,720.62
  6. Step 6: Final answer
    x = 48,998.51

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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.