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Finding the Fourth Proportional to 240,406.22, 360,633.36 and 82,613.90

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Solution

The fourth proportional to 240,406.22, 360,633.36 and 82,613.90 is: 123,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,406.22 : 360,633.36 = 82,613.90 : x
  2. Step 2: Convert to fraction form
    240,406.22/360,633.36 = 82,613.90/x
  3. Step 3: Cross multiply
    240,406.22x = 360,633.36 × 82,613.90
  4. Step 4: Simplify right side
    240,406.22x = 29,793,328,339.70
  5. Step 5: Solve for x
    x = 29,793,328,339.70/240,406.22
  6. Step 6: Final answer
    x = 123,929.11

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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.