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Finding the Fourth Proportional to 173,721.78, 260,626.53 and 49,062.78

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Solution

The fourth proportional to 173,721.78, 260,626.53 and 49,062.78 is: 73,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,721.78 : 260,626.53 = 49,062.78 : x
  2. Step 2: Convert to fraction form
    173,721.78/260,626.53 = 49,062.78/x
  3. Step 3: Cross multiply
    173,721.78x = 260,626.53 × 49,062.78
  4. Step 4: Simplify right side
    173,721.78x = 12,787,062,103.55
  5. Step 5: Solve for x
    x = 12,787,062,103.55/173,721.78
  6. Step 6: Final answer
    x = 73,606.56

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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.