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Finding the Fourth Proportional to 115,756.56, 173,362.68 and 56,406.24

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Solution

The fourth proportional to 115,756.56, 173,362.68 and 56,406.24 is: 84,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,756.56 : 173,362.68 = 56,406.24 : x
  2. Step 2: Convert to fraction form
    115,756.56/173,362.68 = 56,406.24/x
  3. Step 3: Cross multiply
    115,756.56x = 173,362.68 × 56,406.24
  4. Step 4: Simplify right side
    115,756.56x = 9,778,736,935.12
  5. Step 5: Solve for x
    x = 9,778,736,935.12/115,756.56
  6. Step 6: Final answer
    x = 84,476.74

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