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Finding the Fourth Proportional to 76,883.81, 115,194.50 and 41,760.59

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Solution

The fourth proportional to 76,883.81, 115,194.50 and 41,760.59 is: 62,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,883.81 : 115,194.50 = 41,760.59 : x
  2. Step 2: Convert to fraction form
    76,883.81/115,194.50 = 41,760.59/x
  3. Step 3: Cross multiply
    76,883.81x = 115,194.50 × 41,760.59
  4. Step 4: Simplify right side
    76,883.81x = 4,810,590,075.95
  5. Step 5: Solve for x
    x = 4,810,590,075.95/76,883.81
  6. Step 6: Final answer
    x = 62,569.61

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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.