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Finding the Fourth Proportional to 67,578.90, 101,418.84 and 25,500.48

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Solution

The fourth proportional to 67,578.90, 101,418.84 and 25,500.48 is: 38,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,578.90 : 101,418.84 = 25,500.48 : x
  2. Step 2: Convert to fraction form
    67,578.90/101,418.84 = 25,500.48/x
  3. Step 3: Cross multiply
    67,578.90x = 101,418.84 × 25,500.48
  4. Step 4: Simplify right side
    67,578.90x = 2,586,229,101.04
  5. Step 5: Solve for x
    x = 2,586,229,101.04/67,578.90
  6. Step 6: Final answer
    x = 38,269.77

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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.