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Finding the Fourth Proportional to 198,021.79, 296,914.06 and 63,027.55

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Solution

The fourth proportional to 198,021.79, 296,914.06 and 63,027.55 is: 94,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,021.79 : 296,914.06 = 63,027.55 : x
  2. Step 2: Convert to fraction form
    198,021.79/296,914.06 = 63,027.55/x
  3. Step 3: Cross multiply
    198,021.79x = 296,914.06 × 63,027.55
  4. Step 4: Simplify right side
    198,021.79x = 18,713,765,177.64
  5. Step 5: Solve for x
    x = 18,713,765,177.64/198,021.79
  6. Step 6: Final answer
    x = 94,503.57

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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.