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Finding the Fourth Proportional to 331.37, 497.04 and 125.93

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Solution

The fourth proportional to 331.37, 497.04 and 125.93 is: 188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.37 : 497.04 = 125.93 : x
  2. Step 2: Convert to fraction form
    331.37/497.04 = 125.93/x
  3. Step 3: Cross multiply
    331.37x = 497.04 × 125.93
  4. Step 4: Simplify right side
    331.37x = 62,589.76
  5. Step 5: Solve for x
    x = 62,589.76/331.37
  6. Step 6: Final answer
    x = 188.88

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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.