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Finding the Fourth Proportional to 114.73, 158.28 and 73.27

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Solution

The fourth proportional to 114.73, 158.28 and 73.27 is: 101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.73 : 158.28 = 73.27 : x
  2. Step 2: Convert to fraction form
    114.73/158.28 = 73.27/x
  3. Step 3: Cross multiply
    114.73x = 158.28 × 73.27
  4. Step 4: Simplify right side
    114.73x = 11,596.81
  5. Step 5: Solve for x
    x = 11,596.81/114.73
  6. Step 6: Final answer
    x = 101.08

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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.