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Finding the Fourth Proportional to 164,427.30, 246,738.15 and 108,429.30

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Solution

The fourth proportional to 164,427.30, 246,738.15 and 108,429.30 is: 162,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,427.30 : 246,738.15 = 108,429.30 : x
  2. Step 2: Convert to fraction form
    164,427.30/246,738.15 = 108,429.30/x
  3. Step 3: Cross multiply
    164,427.30x = 246,738.15 × 108,429.30
  4. Step 4: Simplify right side
    164,427.30x = 26,753,644,887.80
  5. Step 5: Solve for x
    x = 26,753,644,887.80/164,427.30
  6. Step 6: Final answer
    x = 162,708.05

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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.