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Finding the Fourth Proportional to 154.94, 232.44 and 63.64

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Solution

The fourth proportional to 154.94, 232.44 and 63.64 is: 95.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.94 : 232.44 = 63.64 : x
  2. Step 2: Convert to fraction form
    154.94/232.44 = 63.64/x
  3. Step 3: Cross multiply
    154.94x = 232.44 × 63.64
  4. Step 4: Simplify right side
    154.94x = 14,792.48
  5. Step 5: Solve for x
    x = 14,792.48/154.94
  6. Step 6: Final answer
    x = 95.47

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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.