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Finding the Fourth Proportional to 337,118.33, 505,696.93 and 126,758.09

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Solution

The fourth proportional to 337,118.33, 505,696.93 and 126,758.09 is: 190,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,118.33 : 505,696.93 = 126,758.09 : x
  2. Step 2: Convert to fraction form
    337,118.33/505,696.93 = 126,758.09/x
  3. Step 3: Cross multiply
    337,118.33x = 505,696.93 × 126,758.09
  4. Step 4: Simplify right side
    337,118.33x = 64,101,177,913.01
  5. Step 5: Solve for x
    x = 64,101,177,913.01/337,118.33
  6. Step 6: Final answer
    x = 190,144.44

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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.