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Finding the Fourth Proportional to 297,940.52, 411,166.02 and 161,983.61

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Solution

The fourth proportional to 297,940.52, 411,166.02 and 161,983.61 is: 223,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,940.52 : 411,166.02 = 161,983.61 : x
  2. Step 2: Convert to fraction form
    297,940.52/411,166.02 = 161,983.61/x
  3. Step 3: Cross multiply
    297,940.52x = 411,166.02 × 161,983.61
  4. Step 4: Simplify right side
    297,940.52x = 66,602,156,900.62
  5. Step 5: Solve for x
    x = 66,602,156,900.62/297,940.52
  6. Step 6: Final answer
    x = 223,541.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.