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Finding the Fourth Proportional to 164.07, 246.15 and 115.92

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Solution

The fourth proportional to 164.07, 246.15 and 115.92 is: 173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.07 : 246.15 = 115.92 : x
  2. Step 2: Convert to fraction form
    164.07/246.15 = 115.92/x
  3. Step 3: Cross multiply
    164.07x = 246.15 × 115.92
  4. Step 4: Simplify right side
    164.07x = 28,533.71
  5. Step 5: Solve for x
    x = 28,533.71/164.07
  6. Step 6: Final answer
    x = 173.91

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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.