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Finding the Fourth Proportional to 269,793.70, 404,739.15 and 112,038.10

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Solution

The fourth proportional to 269,793.70, 404,739.15 and 112,038.10 is: 168,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,793.70 : 404,739.15 = 112,038.10 : x
  2. Step 2: Convert to fraction form
    269,793.70/404,739.15 = 112,038.10/x
  3. Step 3: Cross multiply
    269,793.70x = 404,739.15 × 112,038.10
  4. Step 4: Simplify right side
    269,793.70x = 45,346,205,361.62
  5. Step 5: Solve for x
    x = 45,346,205,361.62/269,793.70
  6. Step 6: Final answer
    x = 168,077.33

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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.