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Finding the Fourth Proportional to 240,472.85, 360,758.48 and 82,680.80

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Solution

The fourth proportional to 240,472.85, 360,758.48 and 82,680.80 is: 124,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,472.85 : 360,758.48 = 82,680.80 : x
  2. Step 2: Convert to fraction form
    240,472.85/360,758.48 = 82,680.80/x
  3. Step 3: Cross multiply
    240,472.85x = 360,758.48 × 82,680.80
  4. Step 4: Simplify right side
    240,472.85x = 29,827,797,515.99
  5. Step 5: Solve for x
    x = 29,827,797,515.99/240,472.85
  6. Step 6: Final answer
    x = 124,038.11

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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.