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Finding the Fourth Proportional to 252,298.64, 378,456.90 and 62,759.99

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Solution

The fourth proportional to 252,298.64, 378,456.90 and 62,759.99 is: 94,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,298.64 : 378,456.90 = 62,759.99 : x
  2. Step 2: Convert to fraction form
    252,298.64/378,456.90 = 62,759.99/x
  3. Step 3: Cross multiply
    252,298.64x = 378,456.90 × 62,759.99
  4. Step 4: Simplify right side
    252,298.64x = 23,751,951,259.43
  5. Step 5: Solve for x
    x = 23,751,951,259.43/252,298.64
  6. Step 6: Final answer
    x = 94,142.21

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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.