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Finding the Fourth Proportional to 76,751.96, 105,910.67 and 44,923.28

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Solution

The fourth proportional to 76,751.96, 105,910.67 and 44,923.28 is: 61,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,751.96 : 105,910.67 = 44,923.28 : x
  2. Step 2: Convert to fraction form
    76,751.96/105,910.67 = 44,923.28/x
  3. Step 3: Cross multiply
    76,751.96x = 105,910.67 × 44,923.28
  4. Step 4: Simplify right side
    76,751.96x = 4,757,854,266.15
  5. Step 5: Solve for x
    x = 4,757,854,266.15/76,751.96
  6. Step 6: Final answer
    x = 61,990.01

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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.