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Finding the Fourth Proportional to 113,968.86, 170,972.73 and 50,811.90

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Solution

The fourth proportional to 113,968.86, 170,972.73 and 50,811.90 is: 76,226.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,968.86 : 170,972.73 = 50,811.90 : x
  2. Step 2: Convert to fraction form
    113,968.86/170,972.73 = 50,811.90/x
  3. Step 3: Cross multiply
    113,968.86x = 170,972.73 × 50,811.90
  4. Step 4: Simplify right side
    113,968.86x = 8,687,449,259.49
  5. Step 5: Solve for x
    x = 8,687,449,259.49/113,968.86
  6. Step 6: Final answer
    x = 76,226.52

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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.