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Finding the Fourth Proportional to 104,485.46, 144,198.87 and 59,171.45

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Solution

The fourth proportional to 104,485.46, 144,198.87 and 59,171.45 is: 81,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,485.46 : 144,198.87 = 59,171.45 : x
  2. Step 2: Convert to fraction form
    104,485.46/144,198.87 = 59,171.45/x
  3. Step 3: Cross multiply
    104,485.46x = 144,198.87 × 59,171.45
  4. Step 4: Simplify right side
    104,485.46x = 8,532,456,226.26
  5. Step 5: Solve for x
    x = 8,532,456,226.26/104,485.46
  6. Step 6: Final answer
    x = 81,661.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.