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Finding the Fourth Proportional to 240,164.87, 360,234.29 and 121,833.11

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Solution

The fourth proportional to 240,164.87, 360,234.29 and 121,833.11 is: 182,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,164.87 : 360,234.29 = 121,833.11 : x
  2. Step 2: Convert to fraction form
    240,164.87/360,234.29 = 121,833.11/x
  3. Step 3: Cross multiply
    240,164.87x = 360,234.29 × 121,833.11
  4. Step 4: Simplify right side
    240,164.87x = 43,888,461,469.00
  5. Step 5: Solve for x
    x = 43,888,461,469.00/240,164.87
  6. Step 6: Final answer
    x = 182,743.06

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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.