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Finding the Fourth Proportional to 237.53, 356.23 and 100.53

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Solution

The fourth proportional to 237.53, 356.23 and 100.53 is: 150.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.53 : 356.23 = 100.53 : x
  2. Step 2: Convert to fraction form
    237.53/356.23 = 100.53/x
  3. Step 3: Cross multiply
    237.53x = 356.23 × 100.53
  4. Step 4: Simplify right side
    237.53x = 35,811.55
  5. Step 5: Solve for x
    x = 35,811.55/237.53
  6. Step 6: Final answer
    x = 150.77

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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.