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Finding the Fourth Proportional to 184.98, 277.40 and 69.35

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Solution

The fourth proportional to 184.98, 277.40 and 69.35 is: 103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.98 : 277.40 = 69.35 : x
  2. Step 2: Convert to fraction form
    184.98/277.40 = 69.35/x
  3. Step 3: Cross multiply
    184.98x = 277.40 × 69.35
  4. Step 4: Simplify right side
    184.98x = 19,236.99
  5. Step 5: Solve for x
    x = 19,236.99/184.98
  6. Step 6: Final answer
    x = 103.99

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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.