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Finding the Fourth Proportional to 124,726.68, 187,163.84 and 45,896.27

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Solution

The fourth proportional to 124,726.68, 187,163.84 and 45,896.27 is: 68,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,726.68 : 187,163.84 = 45,896.27 : x
  2. Step 2: Convert to fraction form
    124,726.68/187,163.84 = 45,896.27/x
  3. Step 3: Cross multiply
    124,726.68x = 187,163.84 × 45,896.27
  4. Step 4: Simplify right side
    124,726.68x = 8,590,120,969.58
  5. Step 5: Solve for x
    x = 8,590,120,969.58/124,726.68
  6. Step 6: Final answer
    x = 68,871.56

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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.