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Finding the Fourth Proportional to 61,776.87, 85,251.18 and 34,918.48

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Solution

The fourth proportional to 61,776.87, 85,251.18 and 34,918.48 is: 48,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776.87 : 85,251.18 = 34,918.48 : x
  2. Step 2: Convert to fraction form
    61,776.87/85,251.18 = 34,918.48/x
  3. Step 3: Cross multiply
    61,776.87x = 85,251.18 × 34,918.48
  4. Step 4: Simplify right side
    61,776.87x = 2,976,841,623.81
  5. Step 5: Solve for x
    x = 2,976,841,623.81/61,776.87
  6. Step 6: Final answer
    x = 48,186.99

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