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Finding the Fourth Proportional to 79,987.35, 110,381.88 and 44,179.83

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Solution

The fourth proportional to 79,987.35, 110,381.88 and 44,179.83 is: 60,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,987.35 : 110,381.88 = 44,179.83 : x
  2. Step 2: Convert to fraction form
    79,987.35/110,381.88 = 44,179.83/x
  3. Step 3: Cross multiply
    79,987.35x = 110,381.88 × 44,179.83
  4. Step 4: Simplify right side
    79,987.35x = 4,876,652,693.48
  5. Step 5: Solve for x
    x = 4,876,652,693.48/79,987.35
  6. Step 6: Final answer
    x = 60,967.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.