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Finding the Fourth Proportional to 236.75, 355.32 and 176.00

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Solution

The fourth proportional to 236.75, 355.32 and 176.00 is: 264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.75 : 355.32 = 176.00 : x
  2. Step 2: Convert to fraction form
    236.75/355.32 = 176.00/x
  3. Step 3: Cross multiply
    236.75x = 355.32 × 176.00
  4. Step 4: Simplify right side
    236.75x = 62,534.54
  5. Step 5: Solve for x
    x = 62,534.54/236.75
  6. Step 6: Final answer
    x = 264.14

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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.