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Finding the Fourth Proportional to 79,758.93, 110,063.34 and 43,943.16

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Solution

The fourth proportional to 79,758.93, 110,063.34 and 43,943.16 is: 60,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,758.93 : 110,063.34 = 43,943.16 : x
  2. Step 2: Convert to fraction form
    79,758.93/110,063.34 = 43,943.16/x
  3. Step 3: Cross multiply
    79,758.93x = 110,063.34 × 43,943.16
  4. Step 4: Simplify right side
    79,758.93x = 4,836,530,959.75
  5. Step 5: Solve for x
    x = 4,836,530,959.75/79,758.93
  6. Step 6: Final answer
    x = 60,639.37

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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.