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Finding the Fourth Proportional to 235.01, 324.74 and 180.13

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Solution

The fourth proportional to 235.01, 324.74 and 180.13 is: 248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.01 : 324.74 = 180.13 : x
  2. Step 2: Convert to fraction form
    235.01/324.74 = 180.13/x
  3. Step 3: Cross multiply
    235.01x = 324.74 × 180.13
  4. Step 4: Simplify right side
    235.01x = 58,493.79
  5. Step 5: Solve for x
    x = 58,493.79/235.01
  6. Step 6: Final answer
    x = 248.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.