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Finding the Fourth Proportional to 227.79, 341.79 and 106.02

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Solution

The fourth proportional to 227.79, 341.79 and 106.02 is: 159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.79 : 341.79 = 106.02 : x
  2. Step 2: Convert to fraction form
    227.79/341.79 = 106.02/x
  3. Step 3: Cross multiply
    227.79x = 341.79 × 106.02
  4. Step 4: Simplify right side
    227.79x = 36,236.58
  5. Step 5: Solve for x
    x = 36,236.58/227.79
  6. Step 6: Final answer
    x = 159.08

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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.