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Finding the Fourth Proportional to 79,886.92, 110,243.64 and 44,079.16

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Solution

The fourth proportional to 79,886.92, 110,243.64 and 44,079.16 is: 60,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,886.92 : 110,243.64 = 44,079.16 : x
  2. Step 2: Convert to fraction form
    79,886.92/110,243.64 = 44,079.16/x
  3. Step 3: Cross multiply
    79,886.92x = 110,243.64 × 44,079.16
  4. Step 4: Simplify right side
    79,886.92x = 4,859,447,046.54
  5. Step 5: Solve for x
    x = 4,859,447,046.54/79,886.92
  6. Step 6: Final answer
    x = 60,829.07

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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.