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Finding the Fourth Proportional to 193,250.88, 289,834.20 and 98,380.44

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Solution

The fourth proportional to 193,250.88, 289,834.20 and 98,380.44 is: 147,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,250.88 : 289,834.20 = 98,380.44 : x
  2. Step 2: Convert to fraction form
    193,250.88/289,834.20 = 98,380.44/x
  3. Step 3: Cross multiply
    193,250.88x = 289,834.20 × 98,380.44
  4. Step 4: Simplify right side
    193,250.88x = 28,514,016,123.05
  5. Step 5: Solve for x
    x = 28,514,016,123.05/193,250.88
  6. Step 6: Final answer
    x = 147,549.22

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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.