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Finding the Fourth Proportional to 237, 326.88 and 148.53

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Solution

The fourth proportional to 237, 326.88 and 148.53 is: 204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    237 : 326.88 = 148.53 : x
  2. Step 2: Convert to fraction form
    237/326.88 = 148.53/x
  3. Step 3: Cross multiply
    237x = 326.88 × 148.53
  4. Step 4: Simplify right side
    237x = 48,551.49
  5. Step 5: Solve for x
    x = 48,551.49/237
  6. Step 6: Final answer
    x = 204.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.