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Finding the Fourth Proportional to 137,557.76, 206,336.80 and 37,718.80

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Solution

The fourth proportional to 137,557.76, 206,336.80 and 37,718.80 is: 56,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,557.76 : 206,336.80 = 37,718.80 : x
  2. Step 2: Convert to fraction form
    137,557.76/206,336.80 = 37,718.80/x
  3. Step 3: Cross multiply
    137,557.76x = 206,336.80 × 37,718.80
  4. Step 4: Simplify right side
    137,557.76x = 7,782,776,491.84
  5. Step 5: Solve for x
    x = 7,782,776,491.84/137,557.76
  6. Step 6: Final answer
    x = 56,578.24

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