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Finding the Fourth Proportional to 116,879.52, 161,295.12 and 63,887.52

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Solution

The fourth proportional to 116,879.52, 161,295.12 and 63,887.52 is: 88,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,879.52 : 161,295.12 = 63,887.52 : x
  2. Step 2: Convert to fraction form
    116,879.52/161,295.12 = 63,887.52/x
  3. Step 3: Cross multiply
    116,879.52x = 161,295.12 × 63,887.52
  4. Step 4: Simplify right side
    116,879.52x = 10,304,745,204.90
  5. Step 5: Solve for x
    x = 10,304,745,204.90/116,879.52
  6. Step 6: Final answer
    x = 88,165.53

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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.