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Finding the Fourth Proportional to 196,786.67, 295,398.53 and 101,991.47

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Solution

The fourth proportional to 196,786.67, 295,398.53 and 101,991.47 is: 153,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,786.67 : 295,398.53 = 101,991.47 : x
  2. Step 2: Convert to fraction form
    196,786.67/295,398.53 = 101,991.47/x
  3. Step 3: Cross multiply
    196,786.67x = 295,398.53 × 101,991.47
  4. Step 4: Simplify right side
    196,786.67x = 30,128,128,323.59
  5. Step 5: Solve for x
    x = 30,128,128,323.59/196,786.67
  6. Step 6: Final answer
    x = 153,100.46

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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.