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Finding the Fourth Proportional to 252,798.75, 379,308.83 and 119,774.07

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Solution

The fourth proportional to 252,798.75, 379,308.83 and 119,774.07 is: 179,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,798.75 : 379,308.83 = 119,774.07 : x
  2. Step 2: Convert to fraction form
    252,798.75/379,308.83 = 119,774.07/x
  3. Step 3: Cross multiply
    252,798.75x = 379,308.83 × 119,774.07
  4. Step 4: Simplify right side
    252,798.75x = 45,431,361,757.17
  5. Step 5: Solve for x
    x = 45,431,361,757.17/252,798.75
  6. Step 6: Final answer
    x = 179,713.55

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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.