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Finding the Fourth Proportional to 67,375.90, 101,064.15 and 17,452.45

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Solution

The fourth proportional to 67,375.90, 101,064.15 and 17,452.45 is: 26,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,375.90 : 101,064.15 = 17,452.45 : x
  2. Step 2: Convert to fraction form
    67,375.90/101,064.15 = 17,452.45/x
  3. Step 3: Cross multiply
    67,375.90x = 101,064.15 × 17,452.45
  4. Step 4: Simplify right side
    67,375.90x = 1,763,817,024.67
  5. Step 5: Solve for x
    x = 1,763,817,024.67/67,375.90
  6. Step 6: Final answer
    x = 26,178.75

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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.