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Finding the Fourth Proportional to 207.04, 286.02 and 168.16

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Solution

The fourth proportional to 207.04, 286.02 and 168.16 is: 232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.04 : 286.02 = 168.16 : x
  2. Step 2: Convert to fraction form
    207.04/286.02 = 168.16/x
  3. Step 3: Cross multiply
    207.04x = 286.02 × 168.16
  4. Step 4: Simplify right side
    207.04x = 48,097.12
  5. Step 5: Solve for x
    x = 48,097.12/207.04
  6. Step 6: Final answer
    x = 232.31

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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.