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Finding the Fourth Proportional to 218,617.37, 301,831.26 and 178,427

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Solution

The fourth proportional to 218,617.37, 301,831.26 and 178,427 is: 246,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,617.37 : 301,831.26 = 178,427 : x
  2. Step 2: Convert to fraction form
    218,617.37/301,831.26 = 178,427/x
  3. Step 3: Cross multiply
    218,617.37x = 301,831.26 × 178,427
  4. Step 4: Simplify right side
    218,617.37x = 53,854,846,228.02
  5. Step 5: Solve for x
    x = 53,854,846,228.02/218,617.37
  6. Step 6: Final answer
    x = 246,342.94

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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.