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Finding the Fourth Proportional to 237.64, 356.48 and 141.36

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Solution

The fourth proportional to 237.64, 356.48 and 141.36 is: 212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.64 : 356.48 = 141.36 : x
  2. Step 2: Convert to fraction form
    237.64/356.48 = 141.36/x
  3. Step 3: Cross multiply
    237.64x = 356.48 × 141.36
  4. Step 4: Simplify right side
    237.64x = 50,392.01
  5. Step 5: Solve for x
    x = 50,392.01/237.64
  6. Step 6: Final answer
    x = 212.05

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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.