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Finding the Fourth Proportional to 157,793.48, 217,756.73 and 86,175.60

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Solution

The fourth proportional to 157,793.48, 217,756.73 and 86,175.60 is: 118,923.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,793.48 : 217,756.73 = 86,175.60 : x
  2. Step 2: Convert to fraction form
    157,793.48/217,756.73 = 86,175.60/x
  3. Step 3: Cross multiply
    157,793.48x = 217,756.73 × 86,175.60
  4. Step 4: Simplify right side
    157,793.48x = 18,765,316,430.91
  5. Step 5: Solve for x
    x = 18,765,316,430.91/157,793.48
  6. Step 6: Final answer
    x = 118,923.27

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