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Finding the Fourth Proportional to 232.01, 347.69 and 123.58

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Solution

The fourth proportional to 232.01, 347.69 and 123.58 is: 185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.01 : 347.69 = 123.58 : x
  2. Step 2: Convert to fraction form
    232.01/347.69 = 123.58/x
  3. Step 3: Cross multiply
    232.01x = 347.69 × 123.58
  4. Step 4: Simplify right side
    232.01x = 42,966.97
  5. Step 5: Solve for x
    x = 42,966.97/232.01
  6. Step 6: Final answer
    x = 185.20

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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.