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Finding the Fourth Proportional to 259,471.18, 358,070.07 and 140,239.18

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Solution

The fourth proportional to 259,471.18, 358,070.07 and 140,239.18 is: 193,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,471.18 : 358,070.07 = 140,239.18 : x
  2. Step 2: Convert to fraction form
    259,471.18/358,070.07 = 140,239.18/x
  3. Step 3: Cross multiply
    259,471.18x = 358,070.07 × 140,239.18
  4. Step 4: Simplify right side
    259,471.18x = 50,215,452,999.34
  5. Step 5: Solve for x
    x = 50,215,452,999.34/259,471.18
  6. Step 6: Final answer
    x = 193,529.98

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