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Finding the Fourth Proportional to 67,370.73, 101,056.10 and 20,617.53

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Solution

The fourth proportional to 67,370.73, 101,056.10 and 20,617.53 is: 30,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,370.73 : 101,056.10 = 20,617.53 : x
  2. Step 2: Convert to fraction form
    67,370.73/101,056.10 = 20,617.53/x
  3. Step 3: Cross multiply
    67,370.73x = 101,056.10 × 20,617.53
  4. Step 4: Simplify right side
    67,370.73x = 2,083,526,691.38
  5. Step 5: Solve for x
    x = 2,083,526,691.38/67,370.73
  6. Step 6: Final answer
    x = 30,926.29

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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.