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Finding the Fourth Proportional to 212.52, 293.28 and 184.98

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Solution

The fourth proportional to 212.52, 293.28 and 184.98 is: 255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212.52 : 293.28 = 184.98 : x
  2. Step 2: Convert to fraction form
    212.52/293.28 = 184.98/x
  3. Step 3: Cross multiply
    212.52x = 293.28 × 184.98
  4. Step 4: Simplify right side
    212.52x = 54,250.93
  5. Step 5: Solve for x
    x = 54,250.93/212.52
  6. Step 6: Final answer
    x = 255.27

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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.