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Finding the Fourth Proportional to 198,427.69, 297,330.49 and 168,723.37

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Solution

The fourth proportional to 198,427.69, 297,330.49 and 168,723.37 is: 252,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,427.69 : 297,330.49 = 168,723.37 : x
  2. Step 2: Convert to fraction form
    198,427.69/297,330.49 = 168,723.37/x
  3. Step 3: Cross multiply
    198,427.69x = 297,330.49 × 168,723.37
  4. Step 4: Simplify right side
    198,427.69x = 50,166,602,276.55
  5. Step 5: Solve for x
    x = 50,166,602,276.55/198,427.69
  6. Step 6: Final answer
    x = 252,820.57

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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.