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Finding the Fourth Proportional to 252,614.70, 378,922.51 and 168,539.13

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Solution

The fourth proportional to 252,614.70, 378,922.51 and 168,539.13 is: 252,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,614.70 : 378,922.51 = 168,539.13 : x
  2. Step 2: Convert to fraction form
    252,614.70/378,922.51 = 168,539.13/x
  3. Step 3: Cross multiply
    252,614.70x = 378,922.51 × 168,539.13
  4. Step 4: Simplify right side
    252,614.70x = 63,863,269,435.46
  5. Step 5: Solve for x
    x = 63,863,269,435.46/252,614.70
  6. Step 6: Final answer
    x = 252,809.00

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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.