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Finding the Fourth Proportional to 219,692.88, 303,180.84 and 124,193.88

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Solution

The fourth proportional to 219,692.88, 303,180.84 and 124,193.88 is: 171,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,692.88 : 303,180.84 = 124,193.88 : x
  2. Step 2: Convert to fraction form
    219,692.88/303,180.84 = 124,193.88/x
  3. Step 3: Cross multiply
    219,692.88x = 303,180.84 × 124,193.88
  4. Step 4: Simplify right side
    219,692.88x = 37,653,204,861.26
  5. Step 5: Solve for x
    x = 37,653,204,861.26/219,692.88
  6. Step 6: Final answer
    x = 171,390.19

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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.