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Finding the Fourth Proportional to 184.98, 277.55 and 69.48

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Solution

The fourth proportional to 184.98, 277.55 and 69.48 is: 104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.98 : 277.55 = 69.48 : x
  2. Step 2: Convert to fraction form
    184.98/277.55 = 69.48/x
  3. Step 3: Cross multiply
    184.98x = 277.55 × 69.48
  4. Step 4: Simplify right side
    184.98x = 19,284.35
  5. Step 5: Solve for x
    x = 19,284.35/184.98
  6. Step 6: Final answer
    x = 104.25

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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.