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Finding the Fourth Proportional to 123,568.46, 185,141.12 and 67,447.98

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Solution

The fourth proportional to 123,568.46, 185,141.12 and 67,447.98 is: 101,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,568.46 : 185,141.12 = 67,447.98 : x
  2. Step 2: Convert to fraction form
    123,568.46/185,141.12 = 67,447.98/x
  3. Step 3: Cross multiply
    123,568.46x = 185,141.12 × 67,447.98
  4. Step 4: Simplify right side
    123,568.46x = 12,487,394,558.94
  5. Step 5: Solve for x
    x = 12,487,394,558.94/123,568.46
  6. Step 6: Final answer
    x = 101,056.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.