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Finding the Fourth Proportional to 237.83, 356.74 and 135.16

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Solution

The fourth proportional to 237.83, 356.74 and 135.16 is: 202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.83 : 356.74 = 135.16 : x
  2. Step 2: Convert to fraction form
    237.83/356.74 = 135.16/x
  3. Step 3: Cross multiply
    237.83x = 356.74 × 135.16
  4. Step 4: Simplify right side
    237.83x = 48,215.75
  5. Step 5: Solve for x
    x = 48,215.75/237.83
  6. Step 6: Final answer
    x = 202.74

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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.