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Finding the Fourth Proportional to 352.89, 529.46 and 158.03

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Solution

The fourth proportional to 352.89, 529.46 and 158.03 is: 237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.89 : 529.46 = 158.03 : x
  2. Step 2: Convert to fraction form
    352.89/529.46 = 158.03/x
  3. Step 3: Cross multiply
    352.89x = 529.46 × 158.03
  4. Step 4: Simplify right side
    352.89x = 83,667.13
  5. Step 5: Solve for x
    x = 83,667.13/352.89
  6. Step 6: Final answer
    x = 237.09

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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.