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Finding the Fourth Proportional to 95,891.55, 143,837.12 and 25,770.87

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Solution

The fourth proportional to 95,891.55, 143,837.12 and 25,770.87 is: 38,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,891.55 : 143,837.12 = 25,770.87 : x
  2. Step 2: Convert to fraction form
    95,891.55/143,837.12 = 25,770.87/x
  3. Step 3: Cross multiply
    95,891.55x = 143,837.12 × 25,770.87
  4. Step 4: Simplify right side
    95,891.55x = 3,706,807,591.84
  5. Step 5: Solve for x
    x = 3,706,807,591.84/95,891.55
  6. Step 6: Final answer
    x = 38,656.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.