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Finding the Fourth Proportional to 400,978.38, 601,090.84 and 134,552.06

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Solution

The fourth proportional to 400,978.38, 601,090.84 and 134,552.06 is: 201,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,978.38 : 601,090.84 = 134,552.06 : x
  2. Step 2: Convert to fraction form
    400,978.38/601,090.84 = 134,552.06/x
  3. Step 3: Cross multiply
    400,978.38x = 601,090.84 × 134,552.06
  4. Step 4: Simplify right side
    400,978.38x = 80,878,010,769.13
  5. Step 5: Solve for x
    x = 80,878,010,769.13/400,978.38
  6. Step 6: Final answer
    x = 201,701.67

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