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Finding the Fourth Proportional to 240,347.88, 360,546.30 and 82,555.88

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Solution

The fourth proportional to 240,347.88, 360,546.30 and 82,555.88 is: 123,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,347.88 : 360,546.30 = 82,555.88 : x
  2. Step 2: Convert to fraction form
    240,347.88/360,546.30 = 82,555.88/x
  3. Step 3: Cross multiply
    240,347.88x = 360,546.30 × 82,555.88
  4. Step 4: Simplify right side
    240,347.88x = 29,765,217,077.24
  5. Step 5: Solve for x
    x = 29,765,217,077.24/240,347.88
  6. Step 6: Final answer
    x = 123,842.23

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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.