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Finding the Fourth Proportional to 150,495.98, 207,692.93 and 89,278.41

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Solution

The fourth proportional to 150,495.98, 207,692.93 and 89,278.41 is: 123,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,495.98 : 207,692.93 = 89,278.41 : x
  2. Step 2: Convert to fraction form
    150,495.98/207,692.93 = 89,278.41/x
  3. Step 3: Cross multiply
    150,495.98x = 207,692.93 × 89,278.41
  4. Step 4: Simplify right side
    150,495.98x = 18,542,494,781.84
  5. Step 5: Solve for x
    x = 18,542,494,781.84/150,495.98
  6. Step 6: Final answer
    x = 123,209.24

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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.