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Finding the Fourth Proportional to 79,806.16, 110,132.84 and 43,995.40

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Solution

The fourth proportional to 79,806.16, 110,132.84 and 43,995.40 is: 60,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,806.16 : 110,132.84 = 43,995.40 : x
  2. Step 2: Convert to fraction form
    79,806.16/110,132.84 = 43,995.40/x
  3. Step 3: Cross multiply
    79,806.16x = 110,132.84 × 43,995.40
  4. Step 4: Simplify right side
    79,806.16x = 4,845,338,348.94
  5. Step 5: Solve for x
    x = 4,845,338,348.94/79,806.16
  6. Step 6: Final answer
    x = 60,713.84

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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.