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Finding the Fourth Proportional to 88,593.36, 122,364.68 and 64,681.68

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Solution

The fourth proportional to 88,593.36, 122,364.68 and 64,681.68 is: 89,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,593.36 : 122,364.68 = 64,681.68 : x
  2. Step 2: Convert to fraction form
    88,593.36/122,364.68 = 64,681.68/x
  3. Step 3: Cross multiply
    88,593.36x = 122,364.68 × 64,681.68
  4. Step 4: Simplify right side
    88,593.36x = 7,914,753,075.06
  5. Step 5: Solve for x
    x = 7,914,753,075.06/88,593.36
  6. Step 6: Final answer
    x = 89,337.99

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