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Finding the Fourth Proportional to 272,671.15, 409,105.14 and 95,204.30

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Solution

The fourth proportional to 272,671.15, 409,105.14 and 95,204.30 is: 142,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,671.15 : 409,105.14 = 95,204.30 : x
  2. Step 2: Convert to fraction form
    272,671.15/409,105.14 = 95,204.30/x
  3. Step 3: Cross multiply
    272,671.15x = 409,105.14 × 95,204.30
  4. Step 4: Simplify right side
    272,671.15x = 38,948,568,480.10
  5. Step 5: Solve for x
    x = 38,948,568,480.10/272,671.15
  6. Step 6: Final answer
    x = 142,840.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.