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Finding the Fourth Proportional to 105,221.85, 145,170.14 and 59,888.48

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Solution

The fourth proportional to 105,221.85, 145,170.14 and 59,888.48 is: 82,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,221.85 : 145,170.14 = 59,888.48 : x
  2. Step 2: Convert to fraction form
    105,221.85/145,170.14 = 59,888.48/x
  3. Step 3: Cross multiply
    105,221.85x = 145,170.14 × 59,888.48
  4. Step 4: Simplify right side
    105,221.85x = 8,694,018,000.69
  5. Step 5: Solve for x
    x = 8,694,018,000.69/105,221.85
  6. Step 6: Final answer
    x = 82,625.60

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