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Finding the Fourth Proportional to 252,471.29, 378,494.90 and 110,208.32

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Solution

The fourth proportional to 252,471.29, 378,494.90 and 110,208.32 is: 165,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,471.29 : 378,494.90 = 110,208.32 : x
  2. Step 2: Convert to fraction form
    252,471.29/378,494.90 = 110,208.32/x
  3. Step 3: Cross multiply
    252,471.29x = 378,494.90 × 110,208.32
  4. Step 4: Simplify right side
    252,471.29x = 41,713,287,057.57
  5. Step 5: Solve for x
    x = 41,713,287,057.57/252,471.29
  6. Step 6: Final answer
    x = 165,219.92

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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.