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Finding the Fourth Proportional to 185,375.86, 255,818.09 and 100,492.92

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Solution

The fourth proportional to 185,375.86, 255,818.09 and 100,492.92 is: 138,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,375.86 : 255,818.09 = 100,492.92 : x
  2. Step 2: Convert to fraction form
    185,375.86/255,818.09 = 100,492.92/x
  3. Step 3: Cross multiply
    185,375.86x = 255,818.09 × 100,492.92
  4. Step 4: Simplify right side
    185,375.86x = 25,707,907,104.16
  5. Step 5: Solve for x
    x = 25,707,907,104.16/185,375.86
  6. Step 6: Final answer
    x = 138,679.91

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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.