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Finding the Fourth Proportional to 95,784.76, 132,182.92 and 55,521.86

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Solution

The fourth proportional to 95,784.76, 132,182.92 and 55,521.86 is: 76,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,784.76 : 132,182.92 = 55,521.86 : x
  2. Step 2: Convert to fraction form
    95,784.76/132,182.92 = 55,521.86/x
  3. Step 3: Cross multiply
    95,784.76x = 132,182.92 × 55,521.86
  4. Step 4: Simplify right side
    95,784.76x = 7,339,040,987.12
  5. Step 5: Solve for x
    x = 7,339,040,987.12/95,784.76
  6. Step 6: Final answer
    x = 76,620.13

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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.