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Finding the Fourth Proportional to 99,495.64, 149,111.82 and 40,261.24

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Solution

The fourth proportional to 99,495.64, 149,111.82 and 40,261.24 is: 60,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,495.64 : 149,111.82 = 40,261.24 : x
  2. Step 2: Convert to fraction form
    99,495.64/149,111.82 = 40,261.24/x
  3. Step 3: Cross multiply
    99,495.64x = 149,111.82 × 40,261.24
  4. Step 4: Simplify right side
    99,495.64x = 6,003,426,771.86
  5. Step 5: Solve for x
    x = 6,003,426,771.86/99,495.64
  6. Step 6: Final answer
    x = 60,338.59

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