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Finding the Fourth Proportional to 368,979.25, 553,459.14 and 102,729.01

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Solution

The fourth proportional to 368,979.25, 553,459.14 and 102,729.01 is: 154,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,979.25 : 553,459.14 = 102,729.01 : x
  2. Step 2: Convert to fraction form
    368,979.25/553,459.14 = 102,729.01/x
  3. Step 3: Cross multiply
    368,979.25x = 553,459.14 × 102,729.01
  4. Step 4: Simplify right side
    368,979.25x = 56,856,309,527.65
  5. Step 5: Solve for x
    x = 56,856,309,527.65/368,979.25
  6. Step 6: Final answer
    x = 154,090.80

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