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Finding the Fourth Proportional to 77,799.71, 107,376.71 and 45,089.25

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Solution

The fourth proportional to 77,799.71, 107,376.71 and 45,089.25 is: 62,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,799.71 : 107,376.71 = 45,089.25 : x
  2. Step 2: Convert to fraction form
    77,799.71/107,376.71 = 45,089.25/x
  3. Step 3: Cross multiply
    77,799.71x = 107,376.71 × 45,089.25
  4. Step 4: Simplify right side
    77,799.71x = 4,841,535,095.92
  5. Step 5: Solve for x
    x = 4,841,535,095.92/77,799.71
  6. Step 6: Final answer
    x = 62,230.76

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