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Finding the Fourth Proportional to 184.35, 254.34 and 118.87

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Solution

The fourth proportional to 184.35, 254.34 and 118.87 is: 164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.35 : 254.34 = 118.87 : x
  2. Step 2: Convert to fraction form
    184.35/254.34 = 118.87/x
  3. Step 3: Cross multiply
    184.35x = 254.34 × 118.87
  4. Step 4: Simplify right side
    184.35x = 30,233.40
  5. Step 5: Solve for x
    x = 30,233.40/184.35
  6. Step 6: Final answer
    x = 164.00

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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.