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Finding the Fourth Proportional to 436,201.33, 654,302.22 and 136,705.23

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Solution

The fourth proportional to 436,201.33, 654,302.22 and 136,705.23 is: 205,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,201.33 : 654,302.22 = 136,705.23 : x
  2. Step 2: Convert to fraction form
    436,201.33/654,302.22 = 136,705.23/x
  3. Step 3: Cross multiply
    436,201.33x = 654,302.22 × 136,705.23
  4. Step 4: Simplify right side
    436,201.33x = 89,446,536,074.32
  5. Step 5: Solve for x
    x = 89,446,536,074.32/436,201.33
  6. Step 6: Final answer
    x = 205,057.92

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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.