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Finding the Fourth Proportional to 194,855.20, 268,873.20 and 108,803.68

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Solution

The fourth proportional to 194,855.20, 268,873.20 and 108,803.68 is: 150,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,855.20 : 268,873.20 = 108,803.68 : x
  2. Step 2: Convert to fraction form
    194,855.20/268,873.20 = 108,803.68/x
  3. Step 3: Cross multiply
    194,855.20x = 268,873.20 × 108,803.68
  4. Step 4: Simplify right side
    194,855.20x = 29,254,393,613.38
  5. Step 5: Solve for x
    x = 29,254,393,613.38/194,855.20
  6. Step 6: Final answer
    x = 150,134.02

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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.