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Finding the Fourth Proportional to 67,902.48, 101,878.02 and 34,630.92

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Solution

The fourth proportional to 67,902.48, 101,878.02 and 34,630.92 is: 51,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,902.48 : 101,878.02 = 34,630.92 : x
  2. Step 2: Convert to fraction form
    67,902.48/101,878.02 = 34,630.92/x
  3. Step 3: Cross multiply
    67,902.48x = 101,878.02 × 34,630.92
  4. Step 4: Simplify right side
    67,902.48x = 3,528,129,560.38
  5. Step 5: Solve for x
    x = 3,528,129,560.38/67,902.48
  6. Step 6: Final answer
    x = 51,958.77

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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.