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Finding the Fourth Proportional to 198.32, 297.45 and 116.01

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Solution

The fourth proportional to 198.32, 297.45 and 116.01 is: 174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.32 : 297.45 = 116.01 : x
  2. Step 2: Convert to fraction form
    198.32/297.45 = 116.01/x
  3. Step 3: Cross multiply
    198.32x = 297.45 × 116.01
  4. Step 4: Simplify right side
    198.32x = 34,507.17
  5. Step 5: Solve for x
    x = 34,507.17/198.32
  6. Step 6: Final answer
    x = 174.00

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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.