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Finding the Fourth Proportional to 86,766.60, 130,149.90 and 24,437.10

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Solution

The fourth proportional to 86,766.60, 130,149.90 and 24,437.10 is: 36,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,766.60 : 130,149.90 = 24,437.10 : x
  2. Step 2: Convert to fraction form
    86,766.60/130,149.90 = 24,437.10/x
  3. Step 3: Cross multiply
    86,766.60x = 130,149.90 × 24,437.10
  4. Step 4: Simplify right side
    86,766.60x = 3,180,486,121.29
  5. Step 5: Solve for x
    x = 3,180,486,121.29/86,766.60
  6. Step 6: Final answer
    x = 36,655.65

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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.