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Finding the Fourth Proportional to 77,947.16, 107,569.50 and 44,411

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Solution

The fourth proportional to 77,947.16, 107,569.50 and 44,411 is: 61,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,947.16 : 107,569.50 = 44,411 : x
  2. Step 2: Convert to fraction form
    77,947.16/107,569.50 = 44,411/x
  3. Step 3: Cross multiply
    77,947.16x = 107,569.50 × 44,411
  4. Step 4: Simplify right side
    77,947.16x = 4,777,269,064.50
  5. Step 5: Solve for x
    x = 4,777,269,064.50/77,947.16
  6. Step 6: Final answer
    x = 61,288.56

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