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Finding the Fourth Proportional to 152.96, 229.41 and 44.73

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Solution

The fourth proportional to 152.96, 229.41 and 44.73 is: 67.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.96 : 229.41 = 44.73 : x
  2. Step 2: Convert to fraction form
    152.96/229.41 = 44.73/x
  3. Step 3: Cross multiply
    152.96x = 229.41 × 44.73
  4. Step 4: Simplify right side
    152.96x = 10,261.51
  5. Step 5: Solve for x
    x = 10,261.51/152.96
  6. Step 6: Final answer
    x = 67.09

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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.