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Finding the Fourth Proportional to 187,241.94, 280,849.95 and 68,891.22

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Solution

The fourth proportional to 187,241.94, 280,849.95 and 68,891.22 is: 103,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,241.94 : 280,849.95 = 68,891.22 : x
  2. Step 2: Convert to fraction form
    187,241.94/280,849.95 = 68,891.22/x
  3. Step 3: Cross multiply
    187,241.94x = 280,849.95 × 68,891.22
  4. Step 4: Simplify right side
    187,241.94x = 19,348,095,692.44
  5. Step 5: Solve for x
    x = 19,348,095,692.44/187,241.94
  6. Step 6: Final answer
    x = 103,332.06

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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.