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Finding the Fourth Proportional to 164.08, 246.08 and 55.87

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Solution

The fourth proportional to 164.08, 246.08 and 55.87 is: 83.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.08 : 246.08 = 55.87 : x
  2. Step 2: Convert to fraction form
    164.08/246.08 = 55.87/x
  3. Step 3: Cross multiply
    164.08x = 246.08 × 55.87
  4. Step 4: Simplify right side
    164.08x = 13,747.26
  5. Step 5: Solve for x
    x = 13,747.26/164.08
  6. Step 6: Final answer
    x = 83.79

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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.