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Finding the Fourth Proportional to 179,491.52, 269,006.88 and 85,856.96

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Solution

The fourth proportional to 179,491.52, 269,006.88 and 85,856.96 is: 128,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,491.52 : 269,006.88 = 85,856.96 : x
  2. Step 2: Convert to fraction form
    179,491.52/269,006.88 = 85,856.96/x
  3. Step 3: Cross multiply
    179,491.52x = 269,006.88 × 85,856.96
  4. Step 4: Simplify right side
    179,491.52x = 23,096,112,935.88
  5. Step 5: Solve for x
    x = 23,096,112,935.88/179,491.52
  6. Step 6: Final answer
    x = 128,675.23

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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.