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Finding the Fourth Proportional to 242.88, 335.25 and 184.56

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Solution

The fourth proportional to 242.88, 335.25 and 184.56 is: 254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.88 : 335.25 = 184.56 : x
  2. Step 2: Convert to fraction form
    242.88/335.25 = 184.56/x
  3. Step 3: Cross multiply
    242.88x = 335.25 × 184.56
  4. Step 4: Simplify right side
    242.88x = 61,873.74
  5. Step 5: Solve for x
    x = 61,873.74/242.88
  6. Step 6: Final answer
    x = 254.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.