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Finding the Fourth Proportional to 316.00, 474.09 and 110.62

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Solution

The fourth proportional to 316.00, 474.09 and 110.62 is: 165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.00 : 474.09 = 110.62 : x
  2. Step 2: Convert to fraction form
    316.00/474.09 = 110.62/x
  3. Step 3: Cross multiply
    316.00x = 474.09 × 110.62
  4. Step 4: Simplify right side
    316.00x = 52,444.64
  5. Step 5: Solve for x
    x = 52,444.64/316.00
  6. Step 6: Final answer
    x = 165.96

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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.