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Finding the Fourth Proportional to 71,607.98, 98,821.82 and 48,994.40

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Solution

The fourth proportional to 71,607.98, 98,821.82 and 48,994.40 is: 67,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,607.98 : 98,821.82 = 48,994.40 : x
  2. Step 2: Convert to fraction form
    71,607.98/98,821.82 = 48,994.40/x
  3. Step 3: Cross multiply
    71,607.98x = 98,821.82 × 48,994.40
  4. Step 4: Simplify right side
    71,607.98x = 4,841,715,777.81
  5. Step 5: Solve for x
    x = 4,841,715,777.81/71,607.98
  6. Step 6: Final answer
    x = 67,614.19

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