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Finding the Fourth Proportional to 77,426.74, 116,061.69 and 52,469.33

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Solution

The fourth proportional to 77,426.74, 116,061.69 and 52,469.33 is: 78,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,426.74 : 116,061.69 = 52,469.33 : x
  2. Step 2: Convert to fraction form
    77,426.74/116,061.69 = 52,469.33/x
  3. Step 3: Cross multiply
    77,426.74x = 116,061.69 × 52,469.33
  4. Step 4: Simplify right side
    77,426.74x = 6,089,679,112.97
  5. Step 5: Solve for x
    x = 6,089,679,112.97/77,426.74
  6. Step 6: Final answer
    x = 78,650.86

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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.