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Finding the Fourth Proportional to 236.60, 354.82 and 160.12

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Solution

The fourth proportional to 236.60, 354.82 and 160.12 is: 240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.60 : 354.82 = 160.12 : x
  2. Step 2: Convert to fraction form
    236.60/354.82 = 160.12/x
  3. Step 3: Cross multiply
    236.60x = 354.82 × 160.12
  4. Step 4: Simplify right side
    236.60x = 56,813.78
  5. Step 5: Solve for x
    x = 56,813.78/236.60
  6. Step 6: Final answer
    x = 240.13

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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.