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Finding the Fourth Proportional to 297,942.00, 411,197.78 and 168,901.47

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Solution

The fourth proportional to 297,942.00, 411,197.78 and 168,901.47 is: 233,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,942.00 : 411,197.78 = 168,901.47 : x
  2. Step 2: Convert to fraction form
    297,942.00/411,197.78 = 168,901.47/x
  3. Step 3: Cross multiply
    297,942.00x = 411,197.78 × 168,901.47
  4. Step 4: Simplify right side
    297,942.00x = 69,451,909,924.99
  5. Step 5: Solve for x
    x = 69,451,909,924.99/297,942.00
  6. Step 6: Final answer
    x = 233,105.47

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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.