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Finding the Fourth Proportional to 233.64, 350.15 and 118.13

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Solution

The fourth proportional to 233.64, 350.15 and 118.13 is: 177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.64 : 350.15 = 118.13 : x
  2. Step 2: Convert to fraction form
    233.64/350.15 = 118.13/x
  3. Step 3: Cross multiply
    233.64x = 350.15 × 118.13
  4. Step 4: Simplify right side
    233.64x = 41,360.88
  5. Step 5: Solve for x
    x = 41,360.88/233.64
  6. Step 6: Final answer
    x = 177.03

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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.