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Finding the Fourth Proportional to 68,133.75, 93,944.14 and 46,633.86

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Solution

The fourth proportional to 68,133.75, 93,944.14 and 46,633.86 is: 64,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,133.75 : 93,944.14 = 46,633.86 : x
  2. Step 2: Convert to fraction form
    68,133.75/93,944.14 = 46,633.86/x
  3. Step 3: Cross multiply
    68,133.75x = 93,944.14 × 46,633.86
  4. Step 4: Simplify right side
    68,133.75x = 4,380,977,169.69
  5. Step 5: Solve for x
    x = 4,380,977,169.69/68,133.75
  6. Step 6: Final answer
    x = 64,299.66

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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.