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Finding the Fourth Proportional to 254,144.88, 350,717.40 and 140,964.72

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Solution

The fourth proportional to 254,144.88, 350,717.40 and 140,964.72 is: 194,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,144.88 : 350,717.40 = 140,964.72 : x
  2. Step 2: Convert to fraction form
    254,144.88/350,717.40 = 140,964.72/x
  3. Step 3: Cross multiply
    254,144.88x = 350,717.40 × 140,964.72
  4. Step 4: Simplify right side
    254,144.88x = 49,438,780,090.13
  5. Step 5: Solve for x
    x = 49,438,780,090.13/254,144.88
  6. Step 6: Final answer
    x = 194,529.91

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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.