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Finding the Fourth Proportional to 157.57, 235.98 and 150.53

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Solution

The fourth proportional to 157.57, 235.98 and 150.53 is: 225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.57 : 235.98 = 150.53 : x
  2. Step 2: Convert to fraction form
    157.57/235.98 = 150.53/x
  3. Step 3: Cross multiply
    157.57x = 235.98 × 150.53
  4. Step 4: Simplify right side
    157.57x = 35,520.89
  5. Step 5: Solve for x
    x = 35,520.89/157.57
  6. Step 6: Final answer
    x = 225.43

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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.