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Finding the Fourth Proportional to 79,801.79, 110,127.23 and 43,993.08

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Solution

The fourth proportional to 79,801.79, 110,127.23 and 43,993.08 is: 60,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,801.79 : 110,127.23 = 43,993.08 : x
  2. Step 2: Convert to fraction form
    79,801.79/110,127.23 = 43,993.08/x
  3. Step 3: Cross multiply
    79,801.79x = 110,127.23 × 43,993.08
  4. Step 4: Simplify right side
    79,801.79x = 4,844,835,819.60
  5. Step 5: Solve for x
    x = 4,844,835,819.60/79,801.79
  6. Step 6: Final answer
    x = 60,710.87

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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.