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Finding the Fourth Proportional to 125,643.21, 173,428.02 and 80,442.93

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Solution

The fourth proportional to 125,643.21, 173,428.02 and 80,442.93 is: 111,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,643.21 : 173,428.02 = 80,442.93 : x
  2. Step 2: Convert to fraction form
    125,643.21/173,428.02 = 80,442.93/x
  3. Step 3: Cross multiply
    125,643.21x = 173,428.02 × 80,442.93
  4. Step 4: Simplify right side
    125,643.21x = 13,951,058,072.90
  5. Step 5: Solve for x
    x = 13,951,058,072.90/125,643.21
  6. Step 6: Final answer
    x = 111,037.10

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