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Finding the Fourth Proportional to 78,185.00, 107,895.24 and 42,374.99

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Solution

The fourth proportional to 78,185.00, 107,895.24 and 42,374.99 is: 58,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,185.00 : 107,895.24 = 42,374.99 : x
  2. Step 2: Convert to fraction form
    78,185.00/107,895.24 = 42,374.99/x
  3. Step 3: Cross multiply
    78,185.00x = 107,895.24 × 42,374.99
  4. Step 4: Simplify right side
    78,185.00x = 4,572,059,176.57
  5. Step 5: Solve for x
    x = 4,572,059,176.57/78,185.00
  6. Step 6: Final answer
    x = 58,477.45

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