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Finding the Fourth Proportional to 163,463.88, 225,573.87 and 91,846.92

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Solution

The fourth proportional to 163,463.88, 225,573.87 and 91,846.92 is: 126,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,463.88 : 225,573.87 = 91,846.92 : x
  2. Step 2: Convert to fraction form
    163,463.88/225,573.87 = 91,846.92/x
  3. Step 3: Cross multiply
    163,463.88x = 225,573.87 × 91,846.92
  4. Step 4: Simplify right side
    163,463.88x = 20,718,265,191.98
  5. Step 5: Solve for x
    x = 20,718,265,191.98/163,463.88
  6. Step 6: Final answer
    x = 126,745.22

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1.5x scale

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.