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Finding the Fourth Proportional to 233.52, 322.24 and 130

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Solution

The fourth proportional to 233.52, 322.24 and 130 is: 179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.52 : 322.24 = 130 : x
  2. Step 2: Convert to fraction form
    233.52/322.24 = 130/x
  3. Step 3: Cross multiply
    233.52x = 322.24 × 130
  4. Step 4: Simplify right side
    233.52x = 41,891.20
  5. Step 5: Solve for x
    x = 41,891.20/233.52
  6. Step 6: Final answer
    x = 179.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.