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Finding the Fourth Proportional to 232.02, 347.76 and 103.50

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Solution

The fourth proportional to 232.02, 347.76 and 103.50 is: 155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.02 : 347.76 = 103.50 : x
  2. Step 2: Convert to fraction form
    232.02/347.76 = 103.50/x
  3. Step 3: Cross multiply
    232.02x = 347.76 × 103.50
  4. Step 4: Simplify right side
    232.02x = 35,993.16
  5. Step 5: Solve for x
    x = 35,993.16/232.02
  6. Step 6: Final answer
    x = 155.13

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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.