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Finding the Fourth Proportional to 79,901.95, 119,821.76 and 29,954.82

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Solution

The fourth proportional to 79,901.95, 119,821.76 and 29,954.82 is: 44,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,901.95 : 119,821.76 = 29,954.82 : x
  2. Step 2: Convert to fraction form
    79,901.95/119,821.76 = 29,954.82/x
  3. Step 3: Cross multiply
    79,901.95x = 119,821.76 × 29,954.82
  4. Step 4: Simplify right side
    79,901.95x = 3,589,239,252.88
  5. Step 5: Solve for x
    x = 3,589,239,252.88/79,901.95
  6. Step 6: Final answer
    x = 44,920.55

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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.