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Finding the Fourth Proportional to 218,151.28, 301,043.28 and 122,657.86

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Solution

The fourth proportional to 218,151.28, 301,043.28 and 122,657.86 is: 169,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,151.28 : 301,043.28 = 122,657.86 : x
  2. Step 2: Convert to fraction form
    218,151.28/301,043.28 = 122,657.86/x
  3. Step 3: Cross multiply
    218,151.28x = 301,043.28 × 122,657.86
  4. Step 4: Simplify right side
    218,151.28x = 36,925,324,492.18
  5. Step 5: Solve for x
    x = 36,925,324,492.18/218,151.28
  6. Step 6: Final answer
    x = 169,264.76

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