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Finding the Fourth Proportional to 155.92, 233.56 and 155.92

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Solution

The fourth proportional to 155.92, 233.56 and 155.92 is: 233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.92 : 233.56 = 155.92 : x
  2. Step 2: Convert to fraction form
    155.92/233.56 = 155.92/x
  3. Step 3: Cross multiply
    155.92x = 233.56 × 155.92
  4. Step 4: Simplify right side
    155.92x = 36,416.68
  5. Step 5: Solve for x
    x = 36,416.68/155.92
  6. Step 6: Final answer
    x = 233.56

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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.