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Finding the Fourth Proportional to 237.47, 356.28 and 100.52

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Solution

The fourth proportional to 237.47, 356.28 and 100.52 is: 150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.47 : 356.28 = 100.52 : x
  2. Step 2: Convert to fraction form
    237.47/356.28 = 100.52/x
  3. Step 3: Cross multiply
    237.47x = 356.28 × 100.52
  4. Step 4: Simplify right side
    237.47x = 35,815.01
  5. Step 5: Solve for x
    x = 35,815.01/237.47
  6. Step 6: Final answer
    x = 150.82

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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.