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Finding the Fourth Proportional to 269,737.20, 404,281.80 and 111,884.40

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Solution

The fourth proportional to 269,737.20, 404,281.80 and 111,884.40 is: 167,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,737.20 : 404,281.80 = 111,884.40 : x
  2. Step 2: Convert to fraction form
    269,737.20/404,281.80 = 111,884.40/x
  3. Step 3: Cross multiply
    269,737.20x = 404,281.80 × 111,884.40
  4. Step 4: Simplify right side
    269,737.20x = 45,232,826,623.92
  5. Step 5: Solve for x
    x = 45,232,826,623.92/269,737.20
  6. Step 6: Final answer
    x = 167,692.21

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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.