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Finding the Fourth Proportional to 237.36, 356.42 and 146.63

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Solution

The fourth proportional to 237.36, 356.42 and 146.63 is: 220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.36 : 356.42 = 146.63 : x
  2. Step 2: Convert to fraction form
    237.36/356.42 = 146.63/x
  3. Step 3: Cross multiply
    237.36x = 356.42 × 146.63
  4. Step 4: Simplify right side
    237.36x = 52,261.86
  5. Step 5: Solve for x
    x = 52,261.86/237.36
  6. Step 6: Final answer
    x = 220.18

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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.