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Finding the Fourth Proportional to 315.53, 473.34 and 110.04

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Solution

The fourth proportional to 315.53, 473.34 and 110.04 is: 165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315.53 : 473.34 = 110.04 : x
  2. Step 2: Convert to fraction form
    315.53/473.34 = 110.04/x
  3. Step 3: Cross multiply
    315.53x = 473.34 × 110.04
  4. Step 4: Simplify right side
    315.53x = 52,086.33
  5. Step 5: Solve for x
    x = 52,086.33/315.53
  6. Step 6: Final answer
    x = 165.08

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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.