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Finding the Fourth Proportional to 150.35, 225.70 and 116.06

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Solution

The fourth proportional to 150.35, 225.70 and 116.06 is: 174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.35 : 225.70 = 116.06 : x
  2. Step 2: Convert to fraction form
    150.35/225.70 = 116.06/x
  3. Step 3: Cross multiply
    150.35x = 225.70 × 116.06
  4. Step 4: Simplify right side
    150.35x = 26,193.32
  5. Step 5: Solve for x
    x = 26,193.32/150.35
  6. Step 6: Final answer
    x = 174.22

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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.