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Finding the Fourth Proportional to 105,581.36, 145,700.80 and 60,285.84

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Solution

The fourth proportional to 105,581.36, 145,700.80 and 60,285.84 is: 83,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,581.36 : 145,700.80 = 60,285.84 : x
  2. Step 2: Convert to fraction form
    105,581.36/145,700.80 = 60,285.84/x
  3. Step 3: Cross multiply
    105,581.36x = 145,700.80 × 60,285.84
  4. Step 4: Simplify right side
    105,581.36x = 8,783,695,116.67
  5. Step 5: Solve for x
    x = 8,783,695,116.67/105,581.36
  6. Step 6: Final answer
    x = 83,193.62

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