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Finding the Fourth Proportional to 173,074.92, 259,626.96 and 54,743.64

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Solution

The fourth proportional to 173,074.92, 259,626.96 and 54,743.64 is: 82,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,074.92 : 259,626.96 = 54,743.64 : x
  2. Step 2: Convert to fraction form
    173,074.92/259,626.96 = 54,743.64/x
  3. Step 3: Cross multiply
    173,074.92x = 259,626.96 × 54,743.64
  4. Step 4: Simplify right side
    173,074.92x = 14,212,924,832.53
  5. Step 5: Solve for x
    x = 14,212,924,832.53/173,074.92
  6. Step 6: Final answer
    x = 82,120.07

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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.