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Finding the Fourth Proportional to 79,889, 110,246.82 and 44,561

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Solution

The fourth proportional to 79,889, 110,246.82 and 44,561 is: 61,494.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,889 : 110,246.82 = 44,561 : x
  2. Step 2: Convert to fraction form
    79,889/110,246.82 = 44,561/x
  3. Step 3: Cross multiply
    79,889x = 110,246.82 × 44,561
  4. Step 4: Simplify right side
    79,889x = 4,912,708,546.02
  5. Step 5: Solve for x
    x = 4,912,708,546.02/79,889
  6. Step 6: Final answer
    x = 61,494.18

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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.