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Finding the Fourth Proportional to 169.52, 233.94 and 104

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Solution

The fourth proportional to 169.52, 233.94 and 104 is: 143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.52 : 233.94 = 104 : x
  2. Step 2: Convert to fraction form
    169.52/233.94 = 104/x
  3. Step 3: Cross multiply
    169.52x = 233.94 × 104
  4. Step 4: Simplify right side
    169.52x = 24,329.76
  5. Step 5: Solve for x
    x = 24,329.76/169.52
  6. Step 6: Final answer
    x = 143.52

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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.