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Finding the Fourth Proportional to 79,433.56, 118,937.22 and 41,915.80

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Solution

The fourth proportional to 79,433.56, 118,937.22 and 41,915.80 is: 62,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,433.56 : 118,937.22 = 41,915.80 : x
  2. Step 2: Convert to fraction form
    79,433.56/118,937.22 = 41,915.80/x
  3. Step 3: Cross multiply
    79,433.56x = 118,937.22 × 41,915.80
  4. Step 4: Simplify right side
    79,433.56x = 4,985,348,726.08
  5. Step 5: Solve for x
    x = 4,985,348,726.08/79,433.56
  6. Step 6: Final answer
    x = 62,761.24

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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.