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Finding the Fourth Proportional to 355.34, 532.84 and 124.25

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Solution

The fourth proportional to 355.34, 532.84 and 124.25 is: 186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.34 : 532.84 = 124.25 : x
  2. Step 2: Convert to fraction form
    355.34/532.84 = 124.25/x
  3. Step 3: Cross multiply
    355.34x = 532.84 × 124.25
  4. Step 4: Simplify right side
    355.34x = 66,202.08
  5. Step 5: Solve for x
    x = 66,202.08/355.34
  6. Step 6: Final answer
    x = 186.31

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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.