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Finding the Fourth Proportional to 95,367.61, 131,631.20 and 55,104.76

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Solution

The fourth proportional to 95,367.61, 131,631.20 and 55,104.76 is: 76,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,367.61 : 131,631.20 = 55,104.76 : x
  2. Step 2: Convert to fraction form
    95,367.61/131,631.20 = 55,104.76/x
  3. Step 3: Cross multiply
    95,367.61x = 131,631.20 × 55,104.76
  4. Step 4: Simplify right side
    95,367.61x = 7,253,505,684.51
  5. Step 5: Solve for x
    x = 7,253,505,684.51/95,367.61
  6. Step 6: Final answer
    x = 76,058.38

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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.