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Finding the Fourth Proportional to 150.64, 226.78 and 116.59

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Solution

The fourth proportional to 150.64, 226.78 and 116.59 is: 175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.64 : 226.78 = 116.59 : x
  2. Step 2: Convert to fraction form
    150.64/226.78 = 116.59/x
  3. Step 3: Cross multiply
    150.64x = 226.78 × 116.59
  4. Step 4: Simplify right side
    150.64x = 26,440.28
  5. Step 5: Solve for x
    x = 26,440.28/150.64
  6. Step 6: Final answer
    x = 175.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.