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Finding the Fourth Proportional to 283,358.16, 391,020.22 and 156,009.96

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Solution

The fourth proportional to 283,358.16, 391,020.22 and 156,009.96 is: 215,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,358.16 : 391,020.22 = 156,009.96 : x
  2. Step 2: Convert to fraction form
    283,358.16/391,020.22 = 156,009.96/x
  3. Step 3: Cross multiply
    283,358.16x = 391,020.22 × 156,009.96
  4. Step 4: Simplify right side
    283,358.16x = 61,003,048,881.39
  5. Step 5: Solve for x
    x = 61,003,048,881.39/283,358.16
  6. Step 6: Final answer
    x = 215,286.01

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