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Finding the Fourth Proportional to 79,838.38, 119,724.63 and 27,252.10

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Solution

The fourth proportional to 79,838.38, 119,724.63 and 27,252.10 is: 40,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,838.38 : 119,724.63 = 27,252.10 : x
  2. Step 2: Convert to fraction form
    79,838.38/119,724.63 = 27,252.10/x
  3. Step 3: Cross multiply
    79,838.38x = 119,724.63 × 27,252.10
  4. Step 4: Simplify right side
    79,838.38x = 3,262,747,589.22
  5. Step 5: Solve for x
    x = 3,262,747,589.22/79,838.38
  6. Step 6: Final answer
    x = 40,866.91

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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.