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Finding the Fourth Proportional to 78,053.37, 117,032.61 and 30,611.62

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Solution

The fourth proportional to 78,053.37, 117,032.61 and 30,611.62 is: 45,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,053.37 : 117,032.61 = 30,611.62 : x
  2. Step 2: Convert to fraction form
    78,053.37/117,032.61 = 30,611.62/x
  3. Step 3: Cross multiply
    78,053.37x = 117,032.61 × 30,611.62
  4. Step 4: Simplify right side
    78,053.37x = 3,582,557,784.93
  5. Step 5: Solve for x
    x = 3,582,557,784.93/78,053.37
  6. Step 6: Final answer
    x = 45,898.82

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