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Finding the Fourth Proportional to 272,672.76, 409,196.01 and 95,179.77

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Solution

The fourth proportional to 272,672.76, 409,196.01 and 95,179.77 is: 142,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,672.76 : 409,196.01 = 95,179.77 : x
  2. Step 2: Convert to fraction form
    272,672.76/409,196.01 = 95,179.77/x
  3. Step 3: Cross multiply
    272,672.76x = 409,196.01 × 95,179.77
  4. Step 4: Simplify right side
    272,672.76x = 38,947,182,116.72
  5. Step 5: Solve for x
    x = 38,947,182,116.72/272,672.76
  6. Step 6: Final answer
    x = 142,834.88

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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.