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Finding the Fourth Proportional to 76,596.25, 105,702.83 and 44,791.87

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Solution

The fourth proportional to 76,596.25, 105,702.83 and 44,791.87 is: 61,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,596.25 : 105,702.83 = 44,791.87 : x
  2. Step 2: Convert to fraction form
    76,596.25/105,702.83 = 44,791.87/x
  3. Step 3: Cross multiply
    76,596.25x = 105,702.83 × 44,791.87
  4. Step 4: Simplify right side
    76,596.25x = 4,734,627,419.99
  5. Step 5: Solve for x
    x = 4,734,627,419.99/76,596.25
  6. Step 6: Final answer
    x = 61,812.78

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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.