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Finding the Fourth Proportional to 136,555.80, 204,833.70 and 113,227.80

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Solution

The fourth proportional to 136,555.80, 204,833.70 and 113,227.80 is: 169,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,555.80 : 204,833.70 = 113,227.80 : x
  2. Step 2: Convert to fraction form
    136,555.80/204,833.70 = 113,227.80/x
  3. Step 3: Cross multiply
    136,555.80x = 204,833.70 × 113,227.80
  4. Step 4: Simplify right side
    136,555.80x = 23,192,869,216.86
  5. Step 5: Solve for x
    x = 23,192,869,216.86/136,555.80
  6. Step 6: Final answer
    x = 169,841.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.