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Finding the Fourth Proportional to 74,419.97, 102,701.52 and 42,599.12

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Solution

The fourth proportional to 74,419.97, 102,701.52 and 42,599.12 is: 58,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,419.97 : 102,701.52 = 42,599.12 : x
  2. Step 2: Convert to fraction form
    74,419.97/102,701.52 = 42,599.12/x
  3. Step 3: Cross multiply
    74,419.97x = 102,701.52 × 42,599.12
  4. Step 4: Simplify right side
    74,419.97x = 4,374,993,861.15
  5. Step 5: Solve for x
    x = 4,374,993,861.15/74,419.97
  6. Step 6: Final answer
    x = 58,787.91

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