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Finding the Fourth Proportional to 78,502.44, 108,364.74 and 48,300.12

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Solution

The fourth proportional to 78,502.44, 108,364.74 and 48,300.12 is: 66,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,502.44 : 108,364.74 = 48,300.12 : x
  2. Step 2: Convert to fraction form
    78,502.44/108,364.74 = 48,300.12/x
  3. Step 3: Cross multiply
    78,502.44x = 108,364.74 × 48,300.12
  4. Step 4: Simplify right side
    78,502.44x = 5,234,029,945.77
  5. Step 5: Solve for x
    x = 5,234,029,945.77/78,502.44
  6. Step 6: Final answer
    x = 66,673.47

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