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Finding the Fourth Proportional to 173,028.32, 259,073.49 and 89,747.36

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Solution

The fourth proportional to 173,028.32, 259,073.49 and 89,747.36 is: 134,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,028.32 : 259,073.49 = 89,747.36 : x
  2. Step 2: Convert to fraction form
    173,028.32/259,073.49 = 89,747.36/x
  3. Step 3: Cross multiply
    173,028.32x = 259,073.49 × 89,747.36
  4. Step 4: Simplify right side
    173,028.32x = 23,251,161,281.37
  5. Step 5: Solve for x
    x = 23,251,161,281.37/173,028.32
  6. Step 6: Final answer
    x = 134,377.78

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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.