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Finding the Fourth Proportional to 100,912.32, 151,315.92 and 37,680.45

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Solution

The fourth proportional to 100,912.32, 151,315.92 and 37,680.45 is: 56,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,912.32 : 151,315.92 = 37,680.45 : x
  2. Step 2: Convert to fraction form
    100,912.32/151,315.92 = 37,680.45/x
  3. Step 3: Cross multiply
    100,912.32x = 151,315.92 × 37,680.45
  4. Step 4: Simplify right side
    100,912.32x = 5,701,651,957.76
  5. Step 5: Solve for x
    x = 5,701,651,957.76/100,912.32
  6. Step 6: Final answer
    x = 56,501.05

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