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Finding the Fourth Proportional to 557,190.23, 835,775.62 and 136,469.75

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Solution

The fourth proportional to 557,190.23, 835,775.62 and 136,469.75 is: 204,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,190.23 : 835,775.62 = 136,469.75 : x
  2. Step 2: Convert to fraction form
    557,190.23/835,775.62 = 136,469.75/x
  3. Step 3: Cross multiply
    557,190.23x = 835,775.62 × 136,469.75
  4. Step 4: Simplify right side
    557,190.23x = 114,058,085,397.44
  5. Step 5: Solve for x
    x = 114,058,085,397.44/557,190.23
  6. Step 6: Final answer
    x = 204,702.24

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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.