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Finding the Fourth Proportional to 95,596.80, 131,903.80 and 55,295.88

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Solution

The fourth proportional to 95,596.80, 131,903.80 and 55,295.88 is: 76,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,596.80 : 131,903.80 = 55,295.88 : x
  2. Step 2: Convert to fraction form
    95,596.80/131,903.80 = 55,295.88/x
  3. Step 3: Cross multiply
    95,596.80x = 131,903.80 × 55,295.88
  4. Step 4: Simplify right side
    95,596.80x = 7,293,736,696.34
  5. Step 5: Solve for x
    x = 7,293,736,696.34/95,596.80
  6. Step 6: Final answer
    x = 76,296.87

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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.