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Finding the Fourth Proportional to 95,561.33, 131,866.52 and 52,538.49

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Solution

The fourth proportional to 95,561.33, 131,866.52 and 52,538.49 is: 72,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,561.33 : 131,866.52 = 52,538.49 : x
  2. Step 2: Convert to fraction form
    95,561.33/131,866.52 = 52,538.49/x
  3. Step 3: Cross multiply
    95,561.33x = 131,866.52 × 52,538.49
  4. Step 4: Simplify right side
    95,561.33x = 6,928,067,579.66
  5. Step 5: Solve for x
    x = 6,928,067,579.66/95,561.33
  6. Step 6: Final answer
    x = 72,498.66

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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.