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Finding the Fourth Proportional to 153,008.64, 211,161.60 and 85,944.96

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Solution

The fourth proportional to 153,008.64, 211,161.60 and 85,944.96 is: 118,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,008.64 : 211,161.60 = 85,944.96 : x
  2. Step 2: Convert to fraction form
    153,008.64/211,161.60 = 85,944.96/x
  3. Step 3: Cross multiply
    153,008.64x = 211,161.60 × 85,944.96
  4. Step 4: Simplify right side
    153,008.64x = 18,148,275,265.54
  5. Step 5: Solve for x
    x = 18,148,275,265.54/153,008.64
  6. Step 6: Final answer
    x = 118,609.48

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