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Finding the Fourth Proportional to 239.96, 359.67 and 118.04

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Solution

The fourth proportional to 239.96, 359.67 and 118.04 is: 176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.96 : 359.67 = 118.04 : x
  2. Step 2: Convert to fraction form
    239.96/359.67 = 118.04/x
  3. Step 3: Cross multiply
    239.96x = 359.67 × 118.04
  4. Step 4: Simplify right side
    239.96x = 42,455.45
  5. Step 5: Solve for x
    x = 42,455.45/239.96
  6. Step 6: Final answer
    x = 176.93

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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.