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Finding the Fourth Proportional to 70,669.95, 105,963.41 and 28,551.36

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Solution

The fourth proportional to 70,669.95, 105,963.41 and 28,551.36 is: 42,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,669.95 : 105,963.41 = 28,551.36 : x
  2. Step 2: Convert to fraction form
    70,669.95/105,963.41 = 28,551.36/x
  3. Step 3: Cross multiply
    70,669.95x = 105,963.41 × 28,551.36
  4. Step 4: Simplify right side
    70,669.95x = 3,025,399,773.88
  5. Step 5: Solve for x
    x = 3,025,399,773.88/70,669.95
  6. Step 6: Final answer
    x = 42,810.27

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