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Finding the Fourth Proportional to 113,856.90, 170,894.70 and 57,760.35

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Solution

The fourth proportional to 113,856.90, 170,894.70 and 57,760.35 is: 86,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,856.90 : 170,894.70 = 57,760.35 : x
  2. Step 2: Convert to fraction form
    113,856.90/170,894.70 = 57,760.35/x
  3. Step 3: Cross multiply
    113,856.90x = 170,894.70 × 57,760.35
  4. Step 4: Simplify right side
    113,856.90x = 9,870,937,685.15
  5. Step 5: Solve for x
    x = 9,870,937,685.15/113,856.90
  6. Step 6: Final answer
    x = 86,696.00

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