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Finding the Fourth Proportional to 127,773.14, 191,447.84 and 77,701.78

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Solution

The fourth proportional to 127,773.14, 191,447.84 and 77,701.78 is: 116,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,773.14 : 191,447.84 = 77,701.78 : x
  2. Step 2: Convert to fraction form
    127,773.14/191,447.84 = 77,701.78/x
  3. Step 3: Cross multiply
    127,773.14x = 191,447.84 × 77,701.78
  4. Step 4: Simplify right side
    127,773.14x = 14,875,837,945.16
  5. Step 5: Solve for x
    x = 14,875,837,945.16/127,773.14
  6. Step 6: Final answer
    x = 116,423.83

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