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Finding the Fourth Proportional to 78,063.35, 107,731.23 and 47,850.35

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Solution

The fourth proportional to 78,063.35, 107,731.23 and 47,850.35 is: 66,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,063.35 : 107,731.23 = 47,850.35 : x
  2. Step 2: Convert to fraction form
    78,063.35/107,731.23 = 47,850.35/x
  3. Step 3: Cross multiply
    78,063.35x = 107,731.23 × 47,850.35
  4. Step 4: Simplify right side
    78,063.35x = 5,154,977,061.43
  5. Step 5: Solve for x
    x = 5,154,977,061.43/78,063.35
  6. Step 6: Final answer
    x = 66,035.82

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