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Finding the Fourth Proportional to 105,504.56, 145,598.85 and 57,757.76

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Solution

The fourth proportional to 105,504.56, 145,598.85 and 57,757.76 is: 79,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,504.56 : 145,598.85 = 57,757.76 : x
  2. Step 2: Convert to fraction form
    105,504.56/145,598.85 = 57,757.76/x
  3. Step 3: Cross multiply
    105,504.56x = 145,598.85 × 57,757.76
  4. Step 4: Simplify right side
    105,504.56x = 8,409,462,706.58
  5. Step 5: Solve for x
    x = 8,409,462,706.58/105,504.56
  6. Step 6: Final answer
    x = 79,707.11

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