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Finding the Fourth Proportional to 91,929.52, 126,858.72 and 56,179.36

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Solution

The fourth proportional to 91,929.52, 126,858.72 and 56,179.36 is: 77,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,929.52 : 126,858.72 = 56,179.36 : x
  2. Step 2: Convert to fraction form
    91,929.52/126,858.72 = 56,179.36/x
  3. Step 3: Cross multiply
    91,929.52x = 126,858.72 × 56,179.36
  4. Step 4: Simplify right side
    91,929.52x = 7,126,841,700.02
  5. Step 5: Solve for x
    x = 7,126,841,700.02/91,929.52
  6. Step 6: Final answer
    x = 77,525.06

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