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Finding the Fourth Proportional to 233.52, 350.48 and 142.08

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Solution

The fourth proportional to 233.52, 350.48 and 142.08 is: 213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.52 : 350.48 = 142.08 : x
  2. Step 2: Convert to fraction form
    233.52/350.48 = 142.08/x
  3. Step 3: Cross multiply
    233.52x = 350.48 × 142.08
  4. Step 4: Simplify right side
    233.52x = 49,796.20
  5. Step 5: Solve for x
    x = 49,796.20/233.52
  6. Step 6: Final answer
    x = 213.24

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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.