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Finding the Fourth Proportional to 127,178.83, 175,507.47 and 79,459.86

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Solution

The fourth proportional to 127,178.83, 175,507.47 and 79,459.86 is: 109,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,178.83 : 175,507.47 = 79,459.86 : x
  2. Step 2: Convert to fraction form
    127,178.83/175,507.47 = 79,459.86/x
  3. Step 3: Cross multiply
    127,178.83x = 175,507.47 × 79,459.86
  4. Step 4: Simplify right side
    127,178.83x = 13,945,798,995.15
  5. Step 5: Solve for x
    x = 13,945,798,995.15/127,178.83
  6. Step 6: Final answer
    x = 109,655.03

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