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Finding the Fourth Proportional to 367,321.97, 550,985.69 and 101,097.15

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Solution

The fourth proportional to 367,321.97, 550,985.69 and 101,097.15 is: 151,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,321.97 : 550,985.69 = 101,097.15 : x
  2. Step 2: Convert to fraction form
    367,321.97/550,985.69 = 101,097.15/x
  3. Step 3: Cross multiply
    367,321.97x = 550,985.69 × 101,097.15
  4. Step 4: Simplify right side
    367,321.97x = 55,703,081,136.33
  5. Step 5: Solve for x
    x = 55,703,081,136.33/367,321.97
  6. Step 6: Final answer
    x = 151,646.47

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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.