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Finding the Fourth Proportional to 78,406.16, 108,192.70 and 44,407.86

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Solution

The fourth proportional to 78,406.16, 108,192.70 and 44,407.86 is: 61,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,406.16 : 108,192.70 = 44,407.86 : x
  2. Step 2: Convert to fraction form
    78,406.16/108,192.70 = 44,407.86/x
  3. Step 3: Cross multiply
    78,406.16x = 108,192.70 × 44,407.86
  4. Step 4: Simplify right side
    78,406.16x = 4,804,606,052.58
  5. Step 5: Solve for x
    x = 4,804,606,052.58/78,406.16
  6. Step 6: Final answer
    x = 61,278.43

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