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Finding the Fourth Proportional to 78,655.83, 108,541.71 and 42,846.12

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Solution

The fourth proportional to 78,655.83, 108,541.71 and 42,846.12 is: 59,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,655.83 : 108,541.71 = 42,846.12 : x
  2. Step 2: Convert to fraction form
    78,655.83/108,541.71 = 42,846.12/x
  3. Step 3: Cross multiply
    78,655.83x = 108,541.71 × 42,846.12
  4. Step 4: Simplify right side
    78,655.83x = 4,650,591,131.67
  5. Step 5: Solve for x
    x = 4,650,591,131.67/78,655.83
  6. Step 6: Final answer
    x = 59,125.83

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