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Finding the Fourth Proportional to 254,143.88, 350,716.02 and 140,963.72

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Solution

The fourth proportional to 254,143.88, 350,716.02 and 140,963.72 is: 194,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,143.88 : 350,716.02 = 140,963.72 : x
  2. Step 2: Convert to fraction form
    254,143.88/350,716.02 = 140,963.72/x
  3. Step 3: Cross multiply
    254,143.88x = 350,716.02 × 140,963.72
  4. Step 4: Simplify right side
    254,143.88x = 49,438,234,842.79
  5. Step 5: Solve for x
    x = 49,438,234,842.79/254,143.88
  6. Step 6: Final answer
    x = 194,528.53

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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.