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Finding the Fourth Proportional to 242.32, 334.25 and 144

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Solution

The fourth proportional to 242.32, 334.25 and 144 is: 198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.32 : 334.25 = 144 : x
  2. Step 2: Convert to fraction form
    242.32/334.25 = 144/x
  3. Step 3: Cross multiply
    242.32x = 334.25 × 144
  4. Step 4: Simplify right side
    242.32x = 48,131.28
  5. Step 5: Solve for x
    x = 48,131.28/242.32
  6. Step 6: Final answer
    x = 198.63

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