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Finding the Fourth Proportional to 103,833.20, 155,692.20 and 44,658.80

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Solution

The fourth proportional to 103,833.20, 155,692.20 and 44,658.80 is: 66,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,833.20 : 155,692.20 = 44,658.80 : x
  2. Step 2: Convert to fraction form
    103,833.20/155,692.20 = 44,658.80/x
  3. Step 3: Cross multiply
    103,833.20x = 155,692.20 × 44,658.80
  4. Step 4: Simplify right side
    103,833.20x = 6,953,026,821.36
  5. Step 5: Solve for x
    x = 6,953,026,821.36/103,833.20
  6. Step 6: Final answer
    x = 66,963.43

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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.