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Finding the Fourth Proportional to 240,814.38, 361,238.88 and 83,040.55

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Solution

The fourth proportional to 240,814.38, 361,238.88 and 83,040.55 is: 124,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,814.38 : 361,238.88 = 83,040.55 : x
  2. Step 2: Convert to fraction form
    240,814.38/361,238.88 = 83,040.55/x
  3. Step 3: Cross multiply
    240,814.38x = 361,238.88 × 83,040.55
  4. Step 4: Simplify right side
    240,814.38x = 29,997,475,276.58
  5. Step 5: Solve for x
    x = 29,997,475,276.58/240,814.38
  6. Step 6: Final answer
    x = 124,566.79

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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.