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Finding the Fourth Proportional to 262,565.87, 362,194.99 and 172,067.81

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Solution

The fourth proportional to 262,565.87, 362,194.99 and 172,067.81 is: 237,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,565.87 : 362,194.99 = 172,067.81 : x
  2. Step 2: Convert to fraction form
    262,565.87/362,194.99 = 172,067.81/x
  3. Step 3: Cross multiply
    262,565.87x = 362,194.99 × 172,067.81
  4. Step 4: Simplify right side
    262,565.87x = 62,322,098,722.27
  5. Step 5: Solve for x
    x = 62,322,098,722.27/262,565.87
  6. Step 6: Final answer
    x = 237,357.96

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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.