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Finding the Fourth Proportional to 232.04, 347.74 and 103.48

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Solution

The fourth proportional to 232.04, 347.74 and 103.48 is: 155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.04 : 347.74 = 103.48 : x
  2. Step 2: Convert to fraction form
    232.04/347.74 = 103.48/x
  3. Step 3: Cross multiply
    232.04x = 347.74 × 103.48
  4. Step 4: Simplify right side
    232.04x = 35,984.14
  5. Step 5: Solve for x
    x = 35,984.14/232.04
  6. Step 6: Final answer
    x = 155.08

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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.