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Finding the Fourth Proportional to 140,487.66, 194,027.13 and 95,377.14

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Solution

The fourth proportional to 140,487.66, 194,027.13 and 95,377.14 is: 131,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,487.66 : 194,027.13 = 95,377.14 : x
  2. Step 2: Convert to fraction form
    140,487.66/194,027.13 = 95,377.14/x
  3. Step 3: Cross multiply
    140,487.66x = 194,027.13 × 95,377.14
  4. Step 4: Simplify right side
    140,487.66x = 18,505,752,741.81
  5. Step 5: Solve for x
    x = 18,505,752,741.81/140,487.66
  6. Step 6: Final answer
    x = 131,725.11

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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.