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Finding the Fourth Proportional to 269,323.80, 371,821.50 and 178,801.98

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Solution

The fourth proportional to 269,323.80, 371,821.50 and 178,801.98 is: 246,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,323.80 : 371,821.50 = 178,801.98 : x
  2. Step 2: Convert to fraction form
    269,323.80/371,821.50 = 178,801.98/x
  3. Step 3: Cross multiply
    269,323.80x = 371,821.50 × 178,801.98
  4. Step 4: Simplify right side
    269,323.80x = 66,482,420,406.57
  5. Step 5: Solve for x
    x = 66,482,420,406.57/269,323.80
  6. Step 6: Final answer
    x = 246,849.41

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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.