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Finding the Fourth Proportional to 240,814.66, 361,237.38 and 80,884.12

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Solution

The fourth proportional to 240,814.66, 361,237.38 and 80,884.12 is: 121,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,814.66 : 361,237.38 = 80,884.12 : x
  2. Step 2: Convert to fraction form
    240,814.66/361,237.38 = 80,884.12/x
  3. Step 3: Cross multiply
    240,814.66x = 361,237.38 × 80,884.12
  4. Step 4: Simplify right side
    240,814.66x = 29,218,367,592.41
  5. Step 5: Solve for x
    x = 29,218,367,592.41/240,814.66
  6. Step 6: Final answer
    x = 121,331.35

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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.