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Finding the Fourth Proportional to 72,752.78, 109,121.82 and 22,833.26

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Solution

The fourth proportional to 72,752.78, 109,121.82 and 22,833.26 is: 34,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,752.78 : 109,121.82 = 22,833.26 : x
  2. Step 2: Convert to fraction form
    72,752.78/109,121.82 = 22,833.26/x
  3. Step 3: Cross multiply
    72,752.78x = 109,121.82 × 22,833.26
  4. Step 4: Simplify right side
    72,752.78x = 2,491,606,887.73
  5. Step 5: Solve for x
    x = 2,491,606,887.73/72,752.78
  6. Step 6: Final answer
    x = 34,247.58

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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.