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Finding the Fourth Proportional to 252.14, 378.07 and 183.83

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Solution

The fourth proportional to 252.14, 378.07 and 183.83 is: 275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.14 : 378.07 = 183.83 : x
  2. Step 2: Convert to fraction form
    252.14/378.07 = 183.83/x
  3. Step 3: Cross multiply
    252.14x = 378.07 × 183.83
  4. Step 4: Simplify right side
    252.14x = 69,498.26
  5. Step 5: Solve for x
    x = 69,498.26/252.14
  6. Step 6: Final answer
    x = 275.64

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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.