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Finding the Fourth Proportional to 267,000.26, 400,657.94 and 98,639.74

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Solution

The fourth proportional to 267,000.26, 400,657.94 and 98,639.74 is: 148,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,000.26 : 400,657.94 = 98,639.74 : x
  2. Step 2: Convert to fraction form
    267,000.26/400,657.94 = 98,639.74/x
  3. Step 3: Cross multiply
    267,000.26x = 400,657.94 × 98,639.74
  4. Step 4: Simplify right side
    267,000.26x = 39,520,795,030.54
  5. Step 5: Solve for x
    x = 39,520,795,030.54/267,000.26
  6. Step 6: Final answer
    x = 148,017.81

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