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Finding the Fourth Proportional to 79,930.46, 110,304.95 and 44,120.50

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Solution

The fourth proportional to 79,930.46, 110,304.95 and 44,120.50 is: 60,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,930.46 : 110,304.95 = 44,120.50 : x
  2. Step 2: Convert to fraction form
    79,930.46/110,304.95 = 44,120.50/x
  3. Step 3: Cross multiply
    79,930.46x = 110,304.95 × 44,120.50
  4. Step 4: Simplify right side
    79,930.46x = 4,866,709,050.11
  5. Step 5: Solve for x
    x = 4,866,709,050.11/79,930.46
  6. Step 6: Final answer
    x = 60,886.79

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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.