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Finding the Fourth Proportional to 86,699.91, 130,049.86 and 24,370.41

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Solution

The fourth proportional to 86,699.91, 130,049.86 and 24,370.41 is: 36,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,699.91 : 130,049.86 = 24,370.41 : x
  2. Step 2: Convert to fraction form
    86,699.91/130,049.86 = 24,370.41/x
  3. Step 3: Cross multiply
    86,699.91x = 130,049.86 × 24,370.41
  4. Step 4: Simplify right side
    86,699.91x = 3,169,367,951.42
  5. Step 5: Solve for x
    x = 3,169,367,951.42/86,699.91
  6. Step 6: Final answer
    x = 36,555.61

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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.