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Finding the Fourth Proportional to 185,841.80, 256,462.02 and 100,958.96

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Solution

The fourth proportional to 185,841.80, 256,462.02 and 100,958.96 is: 139,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,841.80 : 256,462.02 = 100,958.96 : x
  2. Step 2: Convert to fraction form
    185,841.80/256,462.02 = 100,958.96/x
  3. Step 3: Cross multiply
    185,841.80x = 256,462.02 × 100,958.96
  4. Step 4: Simplify right side
    185,841.80x = 25,892,138,818.70
  5. Step 5: Solve for x
    x = 25,892,138,818.70/185,841.80
  6. Step 6: Final answer
    x = 139,323.55

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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.