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Finding the Fourth Proportional to 308,986.48, 463,488.04 and 98,624.08

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Solution

The fourth proportional to 308,986.48, 463,488.04 and 98,624.08 is: 147,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,986.48 : 463,488.04 = 98,624.08 : x
  2. Step 2: Convert to fraction form
    308,986.48/463,488.04 = 98,624.08/x
  3. Step 3: Cross multiply
    308,986.48x = 463,488.04 × 98,624.08
  4. Step 4: Simplify right side
    308,986.48x = 45,711,081,536.00
  5. Step 5: Solve for x
    x = 45,711,081,536.00/308,986.48
  6. Step 6: Final answer
    x = 147,938.78

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