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Finding the Fourth Proportional to 185,565.60, 256,081.23 and 100,682.60

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Solution

The fourth proportional to 185,565.60, 256,081.23 and 100,682.60 is: 138,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,565.60 : 256,081.23 = 100,682.60 : x
  2. Step 2: Convert to fraction form
    185,565.60/256,081.23 = 100,682.60/x
  3. Step 3: Cross multiply
    185,565.60x = 256,081.23 × 100,682.60
  4. Step 4: Simplify right side
    185,565.60x = 25,782,922,767.19
  5. Step 5: Solve for x
    x = 25,782,922,767.19/185,565.60
  6. Step 6: Final answer
    x = 138,942.36

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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.