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Finding the Fourth Proportional to 179,889.73, 269,785.31 and 67,561.25

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Solution

The fourth proportional to 179,889.73, 269,785.31 and 67,561.25 is: 101,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,889.73 : 269,785.31 = 67,561.25 : x
  2. Step 2: Convert to fraction form
    179,889.73/269,785.31 = 67,561.25/x
  3. Step 3: Cross multiply
    179,889.73x = 269,785.31 × 67,561.25
  4. Step 4: Simplify right side
    179,889.73x = 18,227,031,088.50
  5. Step 5: Solve for x
    x = 18,227,031,088.50/179,889.73
  6. Step 6: Final answer
    x = 101,323.36

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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.