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Finding the Fourth Proportional to 173,440.50, 259,953.66 and 89,241

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Solution

The fourth proportional to 173,440.50, 259,953.66 and 89,241 is: 133,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,440.50 : 259,953.66 = 89,241 : x
  2. Step 2: Convert to fraction form
    173,440.50/259,953.66 = 89,241/x
  3. Step 3: Cross multiply
    173,440.50x = 259,953.66 × 89,241
  4. Step 4: Simplify right side
    173,440.50x = 23,198,524,572.06
  5. Step 5: Solve for x
    x = 23,198,524,572.06/173,440.50
  6. Step 6: Final answer
    x = 133,754.95

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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.