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Finding the Fourth Proportional to 86,806.53, 130,214.25 and 24,481.89

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Solution

The fourth proportional to 86,806.53, 130,214.25 and 24,481.89 is: 36,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806.53 : 130,214.25 = 24,481.89 : x
  2. Step 2: Convert to fraction form
    86,806.53/130,214.25 = 24,481.89/x
  3. Step 3: Cross multiply
    86,806.53x = 130,214.25 × 24,481.89
  4. Step 4: Simplify right side
    86,806.53x = 3,187,890,944.93
  5. Step 5: Solve for x
    x = 3,187,890,944.93/86,806.53
  6. Step 6: Final answer
    x = 36,724.09

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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.