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Finding the Fourth Proportional to 79,391.76, 118,932.84 and 44,225.52

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Solution

The fourth proportional to 79,391.76, 118,932.84 and 44,225.52 is: 66,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,391.76 : 118,932.84 = 44,225.52 : x
  2. Step 2: Convert to fraction form
    79,391.76/118,932.84 = 44,225.52/x
  3. Step 3: Cross multiply
    79,391.76x = 118,932.84 × 44,225.52
  4. Step 4: Simplify right side
    79,391.76x = 5,259,866,694.08
  5. Step 5: Solve for x
    x = 5,259,866,694.08/79,391.76
  6. Step 6: Final answer
    x = 66,252.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.