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Finding the Fourth Proportional to 242.84, 364.34 and 114.52

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Solution

The fourth proportional to 242.84, 364.34 and 114.52 is: 171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.84 : 364.34 = 114.52 : x
  2. Step 2: Convert to fraction form
    242.84/364.34 = 114.52/x
  3. Step 3: Cross multiply
    242.84x = 364.34 × 114.52
  4. Step 4: Simplify right side
    242.84x = 41,724.22
  5. Step 5: Solve for x
    x = 41,724.22/242.84
  6. Step 6: Final answer
    x = 171.82

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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.