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Finding the Fourth Proportional to 86,499.29, 119,191.83 and 63,802.31

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Solution

The fourth proportional to 86,499.29, 119,191.83 and 63,802.31 is: 87,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,499.29 : 119,191.83 = 63,802.31 : x
  2. Step 2: Convert to fraction form
    86,499.29/119,191.83 = 63,802.31/x
  3. Step 3: Cross multiply
    86,499.29x = 119,191.83 × 63,802.31
  4. Step 4: Simplify right side
    86,499.29x = 7,604,714,087.13
  5. Step 5: Solve for x
    x = 7,604,714,087.13/86,499.29
  6. Step 6: Final answer
    x = 87,916.49

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