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Finding the Fourth Proportional to 232.99, 321.53 and 150.13

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Solution

The fourth proportional to 232.99, 321.53 and 150.13 is: 207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.99 : 321.53 = 150.13 : x
  2. Step 2: Convert to fraction form
    232.99/321.53 = 150.13/x
  3. Step 3: Cross multiply
    232.99x = 321.53 × 150.13
  4. Step 4: Simplify right side
    232.99x = 48,271.30
  5. Step 5: Solve for x
    x = 48,271.30/232.99
  6. Step 6: Final answer
    x = 207.18

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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.