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Finding the Fourth Proportional to 75,621.44, 104,491.14 and 59,831.30

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Solution

The fourth proportional to 75,621.44, 104,491.14 and 59,831.30 is: 82,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.44 : 104,491.14 = 59,831.30 : x
  2. Step 2: Convert to fraction form
    75,621.44/104,491.14 = 59,831.30/x
  3. Step 3: Cross multiply
    75,621.44x = 104,491.14 × 59,831.30
  4. Step 4: Simplify right side
    75,621.44x = 6,251,840,744.68
  5. Step 5: Solve for x
    x = 6,251,840,744.68/75,621.44
  6. Step 6: Final answer
    x = 82,672.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.