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Finding the Fourth Proportional to 236.23, 325.99 and 152.06

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Solution

The fourth proportional to 236.23, 325.99 and 152.06 is: 209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.23 : 325.99 = 152.06 : x
  2. Step 2: Convert to fraction form
    236.23/325.99 = 152.06/x
  3. Step 3: Cross multiply
    236.23x = 325.99 × 152.06
  4. Step 4: Simplify right side
    236.23x = 49,570.43
  5. Step 5: Solve for x
    x = 49,570.43/236.23
  6. Step 6: Final answer
    x = 209.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.