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Finding the Fourth Proportional to 76,415.68, 114,474.40 and 50,040.46

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Solution

The fourth proportional to 76,415.68, 114,474.40 and 50,040.46 is: 74,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,415.68 : 114,474.40 = 50,040.46 : x
  2. Step 2: Convert to fraction form
    76,415.68/114,474.40 = 50,040.46/x
  3. Step 3: Cross multiply
    76,415.68x = 114,474.40 × 50,040.46
  4. Step 4: Simplify right side
    76,415.68x = 5,728,351,061.85
  5. Step 5: Solve for x
    x = 5,728,351,061.85/76,415.68
  6. Step 6: Final answer
    x = 74,963.04

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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.