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Finding the Fourth Proportional to 184.12, 275.84 and 155.24

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Solution

The fourth proportional to 184.12, 275.84 and 155.24 is: 232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.12 : 275.84 = 155.24 : x
  2. Step 2: Convert to fraction form
    184.12/275.84 = 155.24/x
  3. Step 3: Cross multiply
    184.12x = 275.84 × 155.24
  4. Step 4: Simplify right side
    184.12x = 42,821.40
  5. Step 5: Solve for x
    x = 42,821.40/184.12
  6. Step 6: Final answer
    x = 232.57

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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.