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Finding the Fourth Proportional to 126,077.80, 189,116.70 and 46,115.61

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Solution

The fourth proportional to 126,077.80, 189,116.70 and 46,115.61 is: 69,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,077.80 : 189,116.70 = 46,115.61 : x
  2. Step 2: Convert to fraction form
    126,077.80/189,116.70 = 46,115.61/x
  3. Step 3: Cross multiply
    126,077.80x = 189,116.70 × 46,115.61
  4. Step 4: Simplify right side
    126,077.80x = 8,721,232,454.48
  5. Step 5: Solve for x
    x = 8,721,232,454.48/126,077.80
  6. Step 6: Final answer
    x = 69,173.42

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