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Finding the Fourth Proportional to 236.99, 355.50 and 164.69

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Solution

The fourth proportional to 236.99, 355.50 and 164.69 is: 247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.99 : 355.50 = 164.69 : x
  2. Step 2: Convert to fraction form
    236.99/355.50 = 164.69/x
  3. Step 3: Cross multiply
    236.99x = 355.50 × 164.69
  4. Step 4: Simplify right side
    236.99x = 58,547.30
  5. Step 5: Solve for x
    x = 58,547.30/236.99
  6. Step 6: Final answer
    x = 247.05

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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.