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Finding the Fourth Proportional to 67,339.98, 101,040.48 and 29,401.02

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Solution

The fourth proportional to 67,339.98, 101,040.48 and 29,401.02 is: 44,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,339.98 : 101,040.48 = 29,401.02 : x
  2. Step 2: Convert to fraction form
    67,339.98/101,040.48 = 29,401.02/x
  3. Step 3: Cross multiply
    67,339.98x = 101,040.48 × 29,401.02
  4. Step 4: Simplify right side
    67,339.98x = 2,970,693,173.29
  5. Step 5: Solve for x
    x = 2,970,693,173.29/67,339.98
  6. Step 6: Final answer
    x = 44,114.85

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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.