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Finding the Fourth Proportional to 223.02, 333.75 and 136.32

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Solution

The fourth proportional to 223.02, 333.75 and 136.32 is: 204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.02 : 333.75 = 136.32 : x
  2. Step 2: Convert to fraction form
    223.02/333.75 = 136.32/x
  3. Step 3: Cross multiply
    223.02x = 333.75 × 136.32
  4. Step 4: Simplify right side
    223.02x = 45,496.06
  5. Step 5: Solve for x
    x = 45,496.06/223.02
  6. Step 6: Final answer
    x = 204.00

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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.