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Finding the Fourth Proportional to 237.94, 328.32 and 133.02

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Solution

The fourth proportional to 237.94, 328.32 and 133.02 is: 183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.94 : 328.32 = 133.02 : x
  2. Step 2: Convert to fraction form
    237.94/328.32 = 133.02/x
  3. Step 3: Cross multiply
    237.94x = 328.32 × 133.02
  4. Step 4: Simplify right side
    237.94x = 43,671.48
  5. Step 5: Solve for x
    x = 43,671.48/237.94
  6. Step 6: Final answer
    x = 183.54

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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.