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Finding the Fourth Proportional to 237.60, 356.42 and 107.59

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Solution

The fourth proportional to 237.60, 356.42 and 107.59 is: 161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.60 : 356.42 = 107.59 : x
  2. Step 2: Convert to fraction form
    237.60/356.42 = 107.59/x
  3. Step 3: Cross multiply
    237.60x = 356.42 × 107.59
  4. Step 4: Simplify right side
    237.60x = 38,347.23
  5. Step 5: Solve for x
    x = 38,347.23/237.60
  6. Step 6: Final answer
    x = 161.39

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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.