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Finding the Fourth Proportional to 272,671.68, 409,029.39 and 95,174.76

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Solution

The fourth proportional to 272,671.68, 409,029.39 and 95,174.76 is: 142,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,671.68 : 409,029.39 = 95,174.76 : x
  2. Step 2: Convert to fraction form
    272,671.68/409,029.39 = 95,174.76/x
  3. Step 3: Cross multiply
    272,671.68x = 409,029.39 × 95,174.76
  4. Step 4: Simplify right side
    272,671.68x = 38,929,274,026.20
  5. Step 5: Solve for x
    x = 38,929,274,026.20/272,671.68
  6. Step 6: Final answer
    x = 142,769.77

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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.