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Finding the Fourth Proportional to 236.88, 355.98 and 160.08

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Solution

The fourth proportional to 236.88, 355.98 and 160.08 is: 240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.88 : 355.98 = 160.08 : x
  2. Step 2: Convert to fraction form
    236.88/355.98 = 160.08/x
  3. Step 3: Cross multiply
    236.88x = 355.98 × 160.08
  4. Step 4: Simplify right side
    236.88x = 56,985.28
  5. Step 5: Solve for x
    x = 56,985.28/236.88
  6. Step 6: Final answer
    x = 240.57

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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.