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Finding the Fourth Proportional to 367,091.19, 550,743.40 and 130,452.32

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Solution

The fourth proportional to 367,091.19, 550,743.40 and 130,452.32 is: 195,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,091.19 : 550,743.40 = 130,452.32 : x
  2. Step 2: Convert to fraction form
    367,091.19/550,743.40 = 130,452.32/x
  3. Step 3: Cross multiply
    367,091.19x = 550,743.40 × 130,452.32
  4. Step 4: Simplify right side
    367,091.19x = 71,845,755,794.61
  5. Step 5: Solve for x
    x = 71,845,755,794.61/367,091.19
  6. Step 6: Final answer
    x = 195,716.37

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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.