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Finding the Fourth Proportional to 78,820.83, 108,772.61 and 43,010.87

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Solution

The fourth proportional to 78,820.83, 108,772.61 and 43,010.87 is: 59,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,820.83 : 108,772.61 = 43,010.87 : x
  2. Step 2: Convert to fraction form
    78,820.83/108,772.61 = 43,010.87/x
  3. Step 3: Cross multiply
    78,820.83x = 108,772.61 × 43,010.87
  4. Step 4: Simplify right side
    78,820.83x = 4,678,403,829.35
  5. Step 5: Solve for x
    x = 4,678,403,829.35/78,820.83
  6. Step 6: Final answer
    x = 59,354.92

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