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Finding the Fourth Proportional to 315.52, 473.04 and 110.05

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Solution

The fourth proportional to 315.52, 473.04 and 110.05 is: 164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    315.52 : 473.04 = 110.05 : x
  2. Step 2: Convert to fraction form
    315.52/473.04 = 110.05/x
  3. Step 3: Cross multiply
    315.52x = 473.04 × 110.05
  4. Step 4: Simplify right side
    315.52x = 52,056.87
  5. Step 5: Solve for x
    x = 52,056.87/315.52
  6. Step 6: Final answer
    x = 164.99

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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.