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Finding the Fourth Proportional to 119,782.90, 165,300.77 and 66,068.76

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Solution

The fourth proportional to 119,782.90, 165,300.77 and 66,068.76 is: 91,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782.90 : 165,300.77 = 66,068.76 : x
  2. Step 2: Convert to fraction form
    119,782.90/165,300.77 = 66,068.76/x
  3. Step 3: Cross multiply
    119,782.90x = 165,300.77 × 66,068.76
  4. Step 4: Simplify right side
    119,782.90x = 10,921,216,570.60
  5. Step 5: Solve for x
    x = 10,921,216,570.60/119,782.90
  6. Step 6: Final answer
    x = 91,175.09

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