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Finding the Fourth Proportional to 91,962.88, 126,922.48 and 56,173.48

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Solution

The fourth proportional to 91,962.88, 126,922.48 and 56,173.48 is: 77,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,962.88 : 126,922.48 = 56,173.48 : x
  2. Step 2: Convert to fraction form
    91,962.88/126,922.48 = 56,173.48/x
  3. Step 3: Cross multiply
    91,962.88x = 126,922.48 × 56,173.48
  4. Step 4: Simplify right side
    91,962.88x = 7,129,677,391.83
  5. Step 5: Solve for x
    x = 7,129,677,391.83/91,962.88
  6. Step 6: Final answer
    x = 77,527.77

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