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Finding the Fourth Proportional to 198,006.24, 296,940.24 and 79,646.88

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Solution

The fourth proportional to 198,006.24, 296,940.24 and 79,646.88 is: 119,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,006.24 : 296,940.24 = 79,646.88 : x
  2. Step 2: Convert to fraction form
    198,006.24/296,940.24 = 79,646.88/x
  3. Step 3: Cross multiply
    198,006.24x = 296,940.24 × 79,646.88
  4. Step 4: Simplify right side
    198,006.24x = 23,650,363,662.45
  5. Step 5: Solve for x
    x = 23,650,363,662.45/198,006.24
  6. Step 6: Final answer
    x = 119,442.52

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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.