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Finding the Fourth Proportional to 156.74, 235.10 and 150.26

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Solution

The fourth proportional to 156.74, 235.10 and 150.26 is: 225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.74 : 235.10 = 150.26 : x
  2. Step 2: Convert to fraction form
    156.74/235.10 = 150.26/x
  3. Step 3: Cross multiply
    156.74x = 235.10 × 150.26
  4. Step 4: Simplify right side
    156.74x = 35,325.33
  5. Step 5: Solve for x
    x = 35,325.33/156.74
  6. Step 6: Final answer
    x = 225.38

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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.