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Finding the Fourth Proportional to 191,415.56, 287,101.47 and 51,185.12

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Solution

The fourth proportional to 191,415.56, 287,101.47 and 51,185.12 is: 76,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,415.56 : 287,101.47 = 51,185.12 : x
  2. Step 2: Convert to fraction form
    191,415.56/287,101.47 = 51,185.12/x
  3. Step 3: Cross multiply
    191,415.56x = 287,101.47 × 51,185.12
  4. Step 4: Simplify right side
    191,415.56x = 14,695,323,194.13
  5. Step 5: Solve for x
    x = 14,695,323,194.13/191,415.56
  6. Step 6: Final answer
    x = 76,771.83

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