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Finding the Fourth Proportional to 179,693, 269,552.46 and 68,885

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Solution

The fourth proportional to 179,693, 269,552.46 and 68,885 is: 103,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,693 : 269,552.46 = 68,885 : x
  2. Step 2: Convert to fraction form
    179,693/269,552.46 = 68,885/x
  3. Step 3: Cross multiply
    179,693x = 269,552.46 × 68,885
  4. Step 4: Simplify right side
    179,693x = 18,568,121,207.10
  5. Step 5: Solve for x
    x = 18,568,121,207.10/179,693
  6. Step 6: Final answer
    x = 103,332.47

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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.