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Finding the Fourth Proportional to 120,777.18, 166,693.00 and 69,819.45

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Solution

The fourth proportional to 120,777.18, 166,693.00 and 69,819.45 is: 96,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,777.18 : 166,693.00 = 69,819.45 : x
  2. Step 2: Convert to fraction form
    120,777.18/166,693.00 = 69,819.45/x
  3. Step 3: Cross multiply
    120,777.18x = 166,693.00 × 69,819.45
  4. Step 4: Simplify right side
    120,777.18x = 11,638,413,753.40
  5. Step 5: Solve for x
    x = 11,638,413,753.40/120,777.18
  6. Step 6: Final answer
    x = 96,362.69

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