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Finding the Fourth Proportional to 239.53, 359.49 and 124.06

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Solution

The fourth proportional to 239.53, 359.49 and 124.06 is: 186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.53 : 359.49 = 124.06 : x
  2. Step 2: Convert to fraction form
    239.53/359.49 = 124.06/x
  3. Step 3: Cross multiply
    239.53x = 359.49 × 124.06
  4. Step 4: Simplify right side
    239.53x = 44,598.33
  5. Step 5: Solve for x
    x = 44,598.33/239.53
  6. Step 6: Final answer
    x = 186.19

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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.