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Finding the Fourth Proportional to 243.69, 335.93 and 184.70

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Solution

The fourth proportional to 243.69, 335.93 and 184.70 is: 254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.69 : 335.93 = 184.70 : x
  2. Step 2: Convert to fraction form
    243.69/335.93 = 184.70/x
  3. Step 3: Cross multiply
    243.69x = 335.93 × 184.70
  4. Step 4: Simplify right side
    243.69x = 62,043.67
  5. Step 5: Solve for x
    x = 62,043.67/243.69
  6. Step 6: Final answer
    x = 254.60

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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.