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Finding the Fourth Proportional to 270,889.96, 373,829.22 and 157,790.44

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Solution

The fourth proportional to 270,889.96, 373,829.22 and 157,790.44 is: 217,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,889.96 : 373,829.22 = 157,790.44 : x
  2. Step 2: Convert to fraction form
    270,889.96/373,829.22 = 157,790.44/x
  3. Step 3: Cross multiply
    270,889.96x = 373,829.22 × 157,790.44
  4. Step 4: Simplify right side
    270,889.96x = 58,986,677,108.66
  5. Step 5: Solve for x
    x = 58,986,677,108.66/270,889.96
  6. Step 6: Final answer
    x = 217,751.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.