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Finding the Fourth Proportional to 91,107.74, 125,689.93 and 57,093.08

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Solution

The fourth proportional to 91,107.74, 125,689.93 and 57,093.08 is: 78,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,107.74 : 125,689.93 = 57,093.08 : x
  2. Step 2: Convert to fraction form
    91,107.74/125,689.93 = 57,093.08/x
  3. Step 3: Cross multiply
    91,107.74x = 125,689.93 × 57,093.08
  4. Step 4: Simplify right side
    91,107.74x = 7,176,024,457.50
  5. Step 5: Solve for x
    x = 7,176,024,457.50/91,107.74
  6. Step 6: Final answer
    x = 78,764.16

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