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Finding the Fourth Proportional to 79,744.40, 110,047.51 and 43,934.30

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Solution

The fourth proportional to 79,744.40, 110,047.51 and 43,934.30 is: 60,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,744.40 : 110,047.51 = 43,934.30 : x
  2. Step 2: Convert to fraction form
    79,744.40/110,047.51 = 43,934.30/x
  3. Step 3: Cross multiply
    79,744.40x = 110,047.51 × 43,934.30
  4. Step 4: Simplify right side
    79,744.40x = 4,834,860,235.95
  5. Step 5: Solve for x
    x = 4,834,860,235.95/79,744.40
  6. Step 6: Final answer
    x = 60,629.47

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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.