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Finding the Fourth Proportional to 330.13, 495.51 and 167.93

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Solution

The fourth proportional to 330.13, 495.51 and 167.93 is: 252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.13 : 495.51 = 167.93 : x
  2. Step 2: Convert to fraction form
    330.13/495.51 = 167.93/x
  3. Step 3: Cross multiply
    330.13x = 495.51 × 167.93
  4. Step 4: Simplify right side
    330.13x = 83,210.15
  5. Step 5: Solve for x
    x = 83,210.15/330.13
  6. Step 6: Final answer
    x = 252.05

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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.