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Finding the Fourth Proportional to 243,301.33, 364,951.99 and 124,906.87

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Solution

The fourth proportional to 243,301.33, 364,951.99 and 124,906.87 is: 187,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,301.33 : 364,951.99 = 124,906.87 : x
  2. Step 2: Convert to fraction form
    243,301.33/364,951.99 = 124,906.87/x
  3. Step 3: Cross multiply
    243,301.33x = 364,951.99 × 124,906.87
  4. Step 4: Simplify right side
    243,301.33x = 45,585,010,014.92
  5. Step 5: Solve for x
    x = 45,585,010,014.92/243,301.33
  6. Step 6: Final answer
    x = 187,360.30

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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.