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Finding the Fourth Proportional to 254,126.92, 350,737.14 and 140,986.12

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Solution

The fourth proportional to 254,126.92, 350,737.14 and 140,986.12 is: 194,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,126.92 : 350,737.14 = 140,986.12 : x
  2. Step 2: Convert to fraction form
    254,126.92/350,737.14 = 140,986.12/x
  3. Step 3: Cross multiply
    254,126.92x = 350,737.14 × 140,986.12
  4. Step 4: Simplify right side
    254,126.92x = 49,449,068,508.50
  5. Step 5: Solve for x
    x = 49,449,068,508.50/254,126.92
  6. Step 6: Final answer
    x = 194,584.14

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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.