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Finding the Fourth Proportional to 217,996.08, 327,103.56 and 99,656.88

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Solution

The fourth proportional to 217,996.08, 327,103.56 and 99,656.88 is: 149,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,996.08 : 327,103.56 = 99,656.88 : x
  2. Step 2: Convert to fraction form
    217,996.08/327,103.56 = 99,656.88/x
  3. Step 3: Cross multiply
    217,996.08x = 327,103.56 × 99,656.88
  4. Step 4: Simplify right side
    217,996.08x = 32,598,120,226.49
  5. Step 5: Solve for x
    x = 32,598,120,226.49/217,996.08
  6. Step 6: Final answer
    x = 149,535.35

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1.5x scale

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.