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Finding the Fourth Proportional to 95,879.61, 132,209.96 and 65,272.50

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Solution

The fourth proportional to 95,879.61, 132,209.96 and 65,272.50 is: 90,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,879.61 : 132,209.96 = 65,272.50 : x
  2. Step 2: Convert to fraction form
    95,879.61/132,209.96 = 65,272.50/x
  3. Step 3: Cross multiply
    95,879.61x = 132,209.96 × 65,272.50
  4. Step 4: Simplify right side
    95,879.61x = 8,629,674,287.74
  5. Step 5: Solve for x
    x = 8,629,674,287.74/95,879.61
  6. Step 6: Final answer
    x = 90,005.31

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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.