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Finding the Fourth Proportional to 308,985.48, 463,471.74 and 98,619.84

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Solution

The fourth proportional to 308,985.48, 463,471.74 and 98,619.84 is: 147,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,985.48 : 463,471.74 = 98,619.84 : x
  2. Step 2: Convert to fraction form
    308,985.48/463,471.74 = 98,619.84/x
  3. Step 3: Cross multiply
    308,985.48x = 463,471.74 × 98,619.84
  4. Step 4: Simplify right side
    308,985.48x = 45,707,508,843.32
  5. Step 5: Solve for x
    x = 45,707,508,843.32/308,985.48
  6. Step 6: Final answer
    x = 147,927.69

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