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Finding the Fourth Proportional to 79,930.61, 110,304.24 and 44,120.63

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Solution

The fourth proportional to 79,930.61, 110,304.24 and 44,120.63 is: 60,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,930.61 : 110,304.24 = 44,120.63 : x
  2. Step 2: Convert to fraction form
    79,930.61/110,304.24 = 44,120.63/x
  3. Step 3: Cross multiply
    79,930.61x = 110,304.24 × 44,120.63
  4. Step 4: Simplify right side
    79,930.61x = 4,866,692,008.95
  5. Step 5: Solve for x
    x = 4,866,692,008.95/79,930.61
  6. Step 6: Final answer
    x = 60,886.47

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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.