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Finding the Fourth Proportional to 154.67, 232.00 and 124.08

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Solution

The fourth proportional to 154.67, 232.00 and 124.08 is: 186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.67 : 232.00 = 124.08 : x
  2. Step 2: Convert to fraction form
    154.67/232.00 = 124.08/x
  3. Step 3: Cross multiply
    154.67x = 232.00 × 124.08
  4. Step 4: Simplify right side
    154.67x = 28,786.25
  5. Step 5: Solve for x
    x = 28,786.25/154.67
  6. Step 6: Final answer
    x = 186.12

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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.