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Finding the Fourth Proportional to 124,761.94, 187,269.06 and 110,620.96

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Solution

The fourth proportional to 124,761.94, 187,269.06 and 110,620.96 is: 166,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,761.94 : 187,269.06 = 110,620.96 : x
  2. Step 2: Convert to fraction form
    124,761.94/187,269.06 = 110,620.96/x
  3. Step 3: Cross multiply
    124,761.94x = 187,269.06 × 110,620.96
  4. Step 4: Simplify right side
    124,761.94x = 20,715,882,259.15
  5. Step 5: Solve for x
    x = 20,715,882,259.15/124,761.94
  6. Step 6: Final answer
    x = 166,043.29

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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.