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Finding the Fourth Proportional to 232.09, 348.18 and 102.07

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Solution

The fourth proportional to 232.09, 348.18 and 102.07 is: 153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.09 : 348.18 = 102.07 : x
  2. Step 2: Convert to fraction form
    232.09/348.18 = 102.07/x
  3. Step 3: Cross multiply
    232.09x = 348.18 × 102.07
  4. Step 4: Simplify right side
    232.09x = 35,538.73
  5. Step 5: Solve for x
    x = 35,538.73/232.09
  6. Step 6: Final answer
    x = 153.12

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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.