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Finding the Fourth Proportional to 198,891.38, 297,943.38 and 173,959.58

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Solution

The fourth proportional to 198,891.38, 297,943.38 and 173,959.58 is: 260,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,891.38 : 297,943.38 = 173,959.58 : x
  2. Step 2: Convert to fraction form
    198,891.38/297,943.38 = 173,959.58/x
  3. Step 3: Cross multiply
    198,891.38x = 297,943.38 × 173,959.58
  4. Step 4: Simplify right side
    198,891.38x = 51,830,105,248.58
  5. Step 5: Solve for x
    x = 51,830,105,248.58/198,891.38
  6. Step 6: Final answer
    x = 260,595.03

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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.