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Finding the Fourth Proportional to 297,961.52, 411,178.23 and 168,911.96

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Solution

The fourth proportional to 297,961.52, 411,178.23 and 168,911.96 is: 233,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,961.52 : 411,178.23 = 168,911.96 : x
  2. Step 2: Convert to fraction form
    297,961.52/411,178.23 = 168,911.96/x
  3. Step 3: Cross multiply
    297,961.52x = 411,178.23 × 168,911.96
  4. Step 4: Simplify right side
    297,961.52x = 69,452,918,682.74
  5. Step 5: Solve for x
    x = 69,452,918,682.74/297,961.52
  6. Step 6: Final answer
    x = 233,093.59

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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.