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Finding the Fourth Proportional to 267,186.89, 368,718.48 and 144,680.61

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Solution

The fourth proportional to 267,186.89, 368,718.48 and 144,680.61 is: 199,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,186.89 : 368,718.48 = 144,680.61 : x
  2. Step 2: Convert to fraction form
    267,186.89/368,718.48 = 144,680.61/x
  3. Step 3: Cross multiply
    267,186.89x = 368,718.48 × 144,680.61
  4. Step 4: Simplify right side
    267,186.89x = 53,346,414,604.67
  5. Step 5: Solve for x
    x = 53,346,414,604.67/267,186.89
  6. Step 6: Final answer
    x = 199,659.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.