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Finding the Fourth Proportional to 61,237.98, 91,317.96 and 56,390.94

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Solution

The fourth proportional to 61,237.98, 91,317.96 and 56,390.94 is: 84,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,237.98 : 91,317.96 = 56,390.94 : x
  2. Step 2: Convert to fraction form
    61,237.98/91,317.96 = 56,390.94/x
  3. Step 3: Cross multiply
    61,237.98x = 91,317.96 × 56,390.94
  4. Step 4: Simplify right side
    61,237.98x = 5,149,505,603.28
  5. Step 5: Solve for x
    x = 5,149,505,603.28/61,237.98
  6. Step 6: Final answer
    x = 84,090.06

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