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Finding the Fourth Proportional to 92,278.94, 138,374.64 and 47,861.24

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Solution

The fourth proportional to 92,278.94, 138,374.64 and 47,861.24 is: 71,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,278.94 : 138,374.64 = 47,861.24 : x
  2. Step 2: Convert to fraction form
    92,278.94/138,374.64 = 47,861.24/x
  3. Step 3: Cross multiply
    92,278.94x = 138,374.64 × 47,861.24
  4. Step 4: Simplify right side
    92,278.94x = 6,622,781,854.95
  5. Step 5: Solve for x
    x = 6,622,781,854.95/92,278.94
  6. Step 6: Final answer
    x = 71,769.16

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