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Finding the Fourth Proportional to 198,293.88, 297,338.22 and 79,933.08

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Solution

The fourth proportional to 198,293.88, 297,338.22 and 79,933.08 is: 119,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,293.88 : 297,338.22 = 79,933.08 : x
  2. Step 2: Convert to fraction form
    198,293.88/297,338.22 = 79,933.08/x
  3. Step 3: Cross multiply
    198,293.88x = 297,338.22 × 79,933.08
  4. Step 4: Simplify right side
    198,293.88x = 23,767,159,726.32
  5. Step 5: Solve for x
    x = 23,767,159,726.32/198,293.88
  6. Step 6: Final answer
    x = 119,858.26

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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.