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Finding the Fourth Proportional to 158,991.96, 237,968.73 and 116,860.89

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Solution

The fourth proportional to 158,991.96, 237,968.73 and 116,860.89 is: 174,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,991.96 : 237,968.73 = 116,860.89 : x
  2. Step 2: Convert to fraction form
    158,991.96/237,968.73 = 116,860.89/x
  3. Step 3: Cross multiply
    158,991.96x = 237,968.73 × 116,860.89
  4. Step 4: Simplify right side
    158,991.96x = 27,809,237,579.97
  5. Step 5: Solve for x
    x = 27,809,237,579.97/158,991.96
  6. Step 6: Final answer
    x = 174,909.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.