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Finding the Fourth Proportional to 239.24, 358.62 and 125

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Solution

The fourth proportional to 239.24, 358.62 and 125 is: 187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.24 : 358.62 = 125 : x
  2. Step 2: Convert to fraction form
    239.24/358.62 = 125/x
  3. Step 3: Cross multiply
    239.24x = 358.62 × 125
  4. Step 4: Simplify right side
    239.24x = 44,827.50
  5. Step 5: Solve for x
    x = 44,827.50/239.24
  6. Step 6: Final answer
    x = 187.37

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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.