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Finding the Fourth Proportional to 56,092.51, 77,406.42 and 30,942.01

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Solution

The fourth proportional to 56,092.51, 77,406.42 and 30,942.01 is: 42,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,092.51 : 77,406.42 = 30,942.01 : x
  2. Step 2: Convert to fraction form
    56,092.51/77,406.42 = 30,942.01/x
  3. Step 3: Cross multiply
    56,092.51x = 77,406.42 × 30,942.01
  4. Step 4: Simplify right side
    56,092.51x = 2,395,110,221.70
  5. Step 5: Solve for x
    x = 2,395,110,221.70/56,092.51
  6. Step 6: Final answer
    x = 42,699.29

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