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Finding the Fourth Proportional to 104,060.86, 143,568.81 and 67,745.68

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Solution

The fourth proportional to 104,060.86, 143,568.81 and 67,745.68 is: 93,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.86 : 143,568.81 = 67,745.68 : x
  2. Step 2: Convert to fraction form
    104,060.86/143,568.81 = 67,745.68/x
  3. Step 3: Cross multiply
    104,060.86x = 143,568.81 × 67,745.68
  4. Step 4: Simplify right side
    104,060.86x = 9,726,166,660.24
  5. Step 5: Solve for x
    x = 9,726,166,660.24/104,060.86
  6. Step 6: Final answer
    x = 93,466.14

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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.