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Finding the Fourth Proportional to 92,882.49, 139,323.72 and 22,761.20

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Solution

The fourth proportional to 92,882.49, 139,323.72 and 22,761.20 is: 34,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,882.49 : 139,323.72 = 22,761.20 : x
  2. Step 2: Convert to fraction form
    92,882.49/139,323.72 = 22,761.20/x
  3. Step 3: Cross multiply
    92,882.49x = 139,323.72 × 22,761.20
  4. Step 4: Simplify right side
    92,882.49x = 3,171,174,359.05
  5. Step 5: Solve for x
    x = 3,171,174,359.05/92,882.49
  6. Step 6: Final answer
    x = 34,141.79

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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.