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Finding the Fourth Proportional to 269,800.20, 404,748.90 and 112,044.60

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Solution

The fourth proportional to 269,800.20, 404,748.90 and 112,044.60 is: 168,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,800.20 : 404,748.90 = 112,044.60 : x
  2. Step 2: Convert to fraction form
    269,800.20/404,748.90 = 112,044.60/x
  3. Step 3: Cross multiply
    269,800.20x = 404,748.90 × 112,044.60
  4. Step 4: Simplify right side
    269,800.20x = 45,349,928,600.94
  5. Step 5: Solve for x
    x = 45,349,928,600.94/269,800.20
  6. Step 6: Final answer
    x = 168,087.08

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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.