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Finding the Fourth Proportional to 56,277.68, 77,662.24 and 31,127.16

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Solution

The fourth proportional to 56,277.68, 77,662.24 and 31,127.16 is: 42,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277.68 : 77,662.24 = 31,127.16 : x
  2. Step 2: Convert to fraction form
    56,277.68/77,662.24 = 31,127.16/x
  3. Step 3: Cross multiply
    56,277.68x = 77,662.24 × 31,127.16
  4. Step 4: Simplify right side
    56,277.68x = 2,417,404,970.44
  5. Step 5: Solve for x
    x = 2,417,404,970.44/56,277.68
  6. Step 6: Final answer
    x = 42,954.95

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