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Finding the Fourth Proportional to 142,453.08, 213,728.76 and 53,731.98

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Solution

The fourth proportional to 142,453.08, 213,728.76 and 53,731.98 is: 80,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,453.08 : 213,728.76 = 53,731.98 : x
  2. Step 2: Convert to fraction form
    142,453.08/213,728.76 = 53,731.98/x
  3. Step 3: Cross multiply
    142,453.08x = 213,728.76 × 53,731.98
  4. Step 4: Simplify right side
    142,453.08x = 11,484,069,457.74
  5. Step 5: Solve for x
    x = 11,484,069,457.74/142,453.08
  6. Step 6: Final answer
    x = 80,616.51

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