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Finding the Fourth Proportional to 240,237.90, 359,961.03 and 82,379.70

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Solution

The fourth proportional to 240,237.90, 359,961.03 and 82,379.70 is: 123,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,237.90 : 359,961.03 = 82,379.70 : x
  2. Step 2: Convert to fraction form
    240,237.90/359,961.03 = 82,379.70/x
  3. Step 3: Cross multiply
    240,237.90x = 359,961.03 × 82,379.70
  4. Step 4: Simplify right side
    240,237.90x = 29,653,481,663.09
  5. Step 5: Solve for x
    x = 29,653,481,663.09/240,237.90
  6. Step 6: Final answer
    x = 123,433.82

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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.