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Finding the Fourth Proportional to 164.12, 246.10 and 55.88

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Solution

The fourth proportional to 164.12, 246.10 and 55.88 is: 83.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.12 : 246.10 = 55.88 : x
  2. Step 2: Convert to fraction form
    164.12/246.10 = 55.88/x
  3. Step 3: Cross multiply
    164.12x = 246.10 × 55.88
  4. Step 4: Simplify right side
    164.12x = 13,752.07
  5. Step 5: Solve for x
    x = 13,752.07/164.12
  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.