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Finding the Fourth Proportional to 263.01, 394.06 and 160.08

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Solution

The fourth proportional to 263.01, 394.06 and 160.08 is: 239.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.01 : 394.06 = 160.08 : x
  2. Step 2: Convert to fraction form
    263.01/394.06 = 160.08/x
  3. Step 3: Cross multiply
    263.01x = 394.06 × 160.08
  4. Step 4: Simplify right side
    263.01x = 63,081.12
  5. Step 5: Solve for x
    x = 63,081.12/263.01
  6. Step 6: Final answer
    x = 239.84

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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.