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Finding the Fourth Proportional to 237.53, 356.40 and 146.41

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Solution

The fourth proportional to 237.53, 356.40 and 146.41 is: 219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.53 : 356.40 = 146.41 : x
  2. Step 2: Convert to fraction form
    237.53/356.40 = 146.41/x
  3. Step 3: Cross multiply
    237.53x = 356.40 × 146.41
  4. Step 4: Simplify right side
    237.53x = 52,179.63
  5. Step 5: Solve for x
    x = 52,179.63/237.53
  6. Step 6: Final answer
    x = 219.67

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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.