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Finding the Fourth Proportional to 254,690.52, 351,580.67 and 171,922.56

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Solution

The fourth proportional to 254,690.52, 351,580.67 and 171,922.56 is: 237,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,690.52 : 351,580.67 = 171,922.56 : x
  2. Step 2: Convert to fraction form
    254,690.52/351,580.67 = 171,922.56/x
  3. Step 3: Cross multiply
    254,690.52x = 351,580.67 × 171,922.56
  4. Step 4: Simplify right side
    254,690.52x = 60,444,648,832.92
  5. Step 5: Solve for x
    x = 60,444,648,832.92/254,690.52
  6. Step 6: Final answer
    x = 237,325.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.