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Finding the Fourth Proportional to 185,956.74, 256,618.77 and 101,073.54

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Solution

The fourth proportional to 185,956.74, 256,618.77 and 101,073.54 is: 139,480.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,956.74 : 256,618.77 = 101,073.54 : x
  2. Step 2: Convert to fraction form
    185,956.74/256,618.77 = 101,073.54/x
  3. Step 3: Cross multiply
    185,956.74x = 256,618.77 × 101,073.54
  4. Step 4: Simplify right side
    185,956.74x = 25,937,367,514.35
  5. Step 5: Solve for x
    x = 25,937,367,514.35/185,956.74
  6. Step 6: Final answer
    x = 139,480.65

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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.