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Finding the Fourth Proportional to 184.91, 277.18 and 137.03

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Solution

The fourth proportional to 184.91, 277.18 and 137.03 is: 205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.91 : 277.18 = 137.03 : x
  2. Step 2: Convert to fraction form
    184.91/277.18 = 137.03/x
  3. Step 3: Cross multiply
    184.91x = 277.18 × 137.03
  4. Step 4: Simplify right side
    184.91x = 37,980.25
  5. Step 5: Solve for x
    x = 37,980.25/184.91
  6. Step 6: Final answer
    x = 205.40

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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.