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Finding the Fourth Proportional to 95,980.77, 132,442.92 and 55,687.77

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Solution

The fourth proportional to 95,980.77, 132,442.92 and 55,687.77 is: 76,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,980.77 : 132,442.92 = 55,687.77 : x
  2. Step 2: Convert to fraction form
    95,980.77/132,442.92 = 55,687.77/x
  3. Step 3: Cross multiply
    95,980.77x = 132,442.92 × 55,687.77
  4. Step 4: Simplify right side
    95,980.77x = 7,375,450,867.09
  5. Step 5: Solve for x
    x = 7,375,450,867.09/95,980.77
  6. Step 6: Final answer
    x = 76,843.01

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1.5x scale

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.