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Finding the Fourth Proportional to 173,132.73, 259,706.79 and 54,812.79

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Solution

The fourth proportional to 173,132.73, 259,706.79 and 54,812.79 is: 82,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,132.73 : 259,706.79 = 54,812.79 : x
  2. Step 2: Convert to fraction form
    173,132.73/259,706.79 = 54,812.79/x
  3. Step 3: Cross multiply
    173,132.73x = 259,706.79 × 54,812.79
  4. Step 4: Simplify right side
    173,132.73x = 14,235,253,741.84
  5. Step 5: Solve for x
    x = 14,235,253,741.84/173,132.73
  6. Step 6: Final answer
    x = 82,221.62

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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.