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Finding the Fourth Proportional to 240,617.70, 360,975.15 and 82,862.10

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Solution

The fourth proportional to 240,617.70, 360,975.15 and 82,862.10 is: 124,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,617.70 : 360,975.15 = 82,862.10 : x
  2. Step 2: Convert to fraction form
    240,617.70/360,975.15 = 82,862.10/x
  3. Step 3: Cross multiply
    240,617.70x = 360,975.15 × 82,862.10
  4. Step 4: Simplify right side
    240,617.70x = 29,911,158,976.82
  5. Step 5: Solve for x
    x = 29,911,158,976.82/240,617.70
  6. Step 6: Final answer
    x = 124,309.89

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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.