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Finding the Fourth Proportional to 243.04, 335.20 and 184.08

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Solution

The fourth proportional to 243.04, 335.20 and 184.08 is: 253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.04 : 335.20 = 184.08 : x
  2. Step 2: Convert to fraction form
    243.04/335.20 = 184.08/x
  3. Step 3: Cross multiply
    243.04x = 335.20 × 184.08
  4. Step 4: Simplify right side
    243.04x = 61,703.62
  5. Step 5: Solve for x
    x = 61,703.62/243.04
  6. Step 6: Final answer
    x = 253.88

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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.