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Finding the Fourth Proportional to 95,963.56, 132,386.90 and 55,653.96

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Solution

The fourth proportional to 95,963.56, 132,386.90 and 55,653.96 is: 76,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,963.56 : 132,386.90 = 55,653.96 : x
  2. Step 2: Convert to fraction form
    95,963.56/132,386.90 = 55,653.96/x
  3. Step 3: Cross multiply
    95,963.56x = 132,386.90 × 55,653.96
  4. Step 4: Simplify right side
    95,963.56x = 7,367,855,237.12
  5. Step 5: Solve for x
    x = 7,367,855,237.12/95,963.56
  6. Step 6: Final answer
    x = 76,777.64

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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.