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Finding the Fourth Proportional to 164.46, 246.65 and 48.88

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Solution

The fourth proportional to 164.46, 246.65 and 48.88 is: 73.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.46 : 246.65 = 48.88 : x
  2. Step 2: Convert to fraction form
    164.46/246.65 = 48.88/x
  3. Step 3: Cross multiply
    164.46x = 246.65 × 48.88
  4. Step 4: Simplify right side
    164.46x = 12,055.76
  5. Step 5: Solve for x
    x = 12,055.76/164.46
  6. Step 6: Final answer
    x = 73.31

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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.