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Finding the Fourth Proportional to 162,789.60, 244,414.80 and 127,768.80

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Solution

The fourth proportional to 162,789.60, 244,414.80 and 127,768.80 is: 191,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,789.60 : 244,414.80 = 127,768.80 : x
  2. Step 2: Convert to fraction form
    162,789.60/244,414.80 = 127,768.80/x
  3. Step 3: Cross multiply
    162,789.60x = 244,414.80 × 127,768.80
  4. Step 4: Simplify right side
    162,789.60x = 31,228,585,698.24
  5. Step 5: Solve for x
    x = 31,228,585,698.24/162,789.60
  6. Step 6: Final answer
    x = 191,834.03

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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.