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Finding the Fourth Proportional to 316.08, 474.13 and 110.64

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Solution

The fourth proportional to 316.08, 474.13 and 110.64 is: 165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.08 : 474.13 = 110.64 : x
  2. Step 2: Convert to fraction form
    316.08/474.13 = 110.64/x
  3. Step 3: Cross multiply
    316.08x = 474.13 × 110.64
  4. Step 4: Simplify right side
    316.08x = 52,458.01
  5. Step 5: Solve for x
    x = 52,458.01/316.08
  6. Step 6: Final answer
    x = 165.97

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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.