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Finding the Fourth Proportional to 85,159.89, 127,794.51 and 57,111.62

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Solution

The fourth proportional to 85,159.89, 127,794.51 and 57,111.62 is: 85,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159.89 : 127,794.51 = 57,111.62 : x
  2. Step 2: Convert to fraction form
    85,159.89/127,794.51 = 57,111.62/x
  3. Step 3: Cross multiply
    85,159.89x = 127,794.51 × 57,111.62
  4. Step 4: Simplify right side
    85,159.89x = 7,298,550,854.23
  5. Step 5: Solve for x
    x = 7,298,550,854.23/85,159.89
  6. Step 6: Final answer
    x = 85,704.09

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