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Finding the Fourth Proportional to 79,838.33, 119,692.53 and 29,890.44

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Solution

The fourth proportional to 79,838.33, 119,692.53 and 29,890.44 is: 44,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,838.33 : 119,692.53 = 29,890.44 : x
  2. Step 2: Convert to fraction form
    79,838.33/119,692.53 = 29,890.44/x
  3. Step 3: Cross multiply
    79,838.33x = 119,692.53 × 29,890.44
  4. Step 4: Simplify right side
    79,838.33x = 3,577,662,386.41
  5. Step 5: Solve for x
    x = 3,577,662,386.41/79,838.33
  6. Step 6: Final answer
    x = 44,811.34

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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.