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Finding the Fourth Proportional to 227.51, 341.16 and 83.13

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Solution

The fourth proportional to 227.51, 341.16 and 83.13 is: 124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.51 : 341.16 = 83.13 : x
  2. Step 2: Convert to fraction form
    227.51/341.16 = 83.13/x
  3. Step 3: Cross multiply
    227.51x = 341.16 × 83.13
  4. Step 4: Simplify right side
    227.51x = 28,360.63
  5. Step 5: Solve for x
    x = 28,360.63/227.51
  6. Step 6: Final answer
    x = 124.66

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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.