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Finding the Fourth Proportional to 155.16, 232.73 and 94.28

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Solution

The fourth proportional to 155.16, 232.73 and 94.28 is: 141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.16 : 232.73 = 94.28 : x
  2. Step 2: Convert to fraction form
    155.16/232.73 = 94.28/x
  3. Step 3: Cross multiply
    155.16x = 232.73 × 94.28
  4. Step 4: Simplify right side
    155.16x = 21,940.39
  5. Step 5: Solve for x
    x = 21,940.39/155.16
  6. Step 6: Final answer
    x = 141.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.