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Finding the Fourth Proportional to 237.65, 356.44 and 75.32

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Solution

The fourth proportional to 237.65, 356.44 and 75.32 is: 112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.65 : 356.44 = 75.32 : x
  2. Step 2: Convert to fraction form
    237.65/356.44 = 75.32/x
  3. Step 3: Cross multiply
    237.65x = 356.44 × 75.32
  4. Step 4: Simplify right side
    237.65x = 26,844.90
  5. Step 5: Solve for x
    x = 26,844.90/237.65
  6. Step 6: Final answer
    x = 112.96

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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.