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Finding the Fourth Proportional to 364.12, 546.27 and 158.73

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Solution

The fourth proportional to 364.12, 546.27 and 158.73 is: 238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.12 : 546.27 = 158.73 : x
  2. Step 2: Convert to fraction form
    364.12/546.27 = 158.73/x
  3. Step 3: Cross multiply
    364.12x = 546.27 × 158.73
  4. Step 4: Simplify right side
    364.12x = 86,706.71
  5. Step 5: Solve for x
    x = 86,706.71/364.12
  6. Step 6: Final answer
    x = 238.13

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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.