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Finding the Fourth Proportional to 243.04, 333.53 and 236.92

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Solution

The fourth proportional to 243.04, 333.53 and 236.92 is: 325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.04 : 333.53 = 236.92 : x
  2. Step 2: Convert to fraction form
    243.04/333.53 = 236.92/x
  3. Step 3: Cross multiply
    243.04x = 333.53 × 236.92
  4. Step 4: Simplify right side
    243.04x = 79,019.93
  5. Step 5: Solve for x
    x = 79,019.93/243.04
  6. Step 6: Final answer
    x = 325.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.