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Finding the Fourth Proportional to 237.63, 356.14 and 100.49

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Solution

The fourth proportional to 237.63, 356.14 and 100.49 is: 150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.63 : 356.14 = 100.49 : x
  2. Step 2: Convert to fraction form
    237.63/356.14 = 100.49/x
  3. Step 3: Cross multiply
    237.63x = 356.14 × 100.49
  4. Step 4: Simplify right side
    237.63x = 35,786.23
  5. Step 5: Solve for x
    x = 35,786.23/237.63
  6. Step 6: Final answer
    x = 150.60

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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.