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Finding the Fourth Proportional to 192,216.96, 287,757.63 and 141,963.30

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Solution

The fourth proportional to 192,216.96, 287,757.63 and 141,963.30 is: 212,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,216.96 : 287,757.63 = 141,963.30 : x
  2. Step 2: Convert to fraction form
    192,216.96/287,757.63 = 141,963.30/x
  3. Step 3: Cross multiply
    192,216.96x = 287,757.63 × 141,963.30
  4. Step 4: Simplify right side
    192,216.96x = 40,851,022,754.98
  5. Step 5: Solve for x
    x = 40,851,022,754.98/192,216.96
  6. Step 6: Final answer
    x = 212,525.59

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1.5x scale

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.