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Finding the Fourth Proportional to 254,141.88, 350,713.26 and 140,961.72

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Solution

The fourth proportional to 254,141.88, 350,713.26 and 140,961.72 is: 194,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,141.88 : 350,713.26 = 140,961.72 : x
  2. Step 2: Convert to fraction form
    254,141.88/350,713.26 = 140,961.72/x
  3. Step 3: Cross multiply
    254,141.88x = 350,713.26 × 140,961.72
  4. Step 4: Simplify right side
    254,141.88x = 49,437,144,356.41
  5. Step 5: Solve for x
    x = 49,437,144,356.41/254,141.88
  6. Step 6: Final answer
    x = 194,525.77

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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.