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Finding the Fourth Proportional to 119,057.12, 164,298.62 and 65,342.58

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Solution

The fourth proportional to 119,057.12, 164,298.62 and 65,342.58 is: 90,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,057.12 : 164,298.62 = 65,342.58 : x
  2. Step 2: Convert to fraction form
    119,057.12/164,298.62 = 65,342.58/x
  3. Step 3: Cross multiply
    119,057.12x = 164,298.62 × 65,342.58
  4. Step 4: Simplify right side
    119,057.12x = 10,735,695,721.24
  5. Step 5: Solve for x
    x = 10,735,695,721.24/119,057.12
  6. Step 6: Final answer
    x = 90,172.65

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