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Finding the Fourth Proportional to 275,593.44, 413,308 and 107,139.92

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Solution

The fourth proportional to 275,593.44, 413,308 and 107,139.92 is: 160,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,593.44 : 413,308 = 107,139.92 : x
  2. Step 2: Convert to fraction form
    275,593.44/413,308 = 107,139.92/x
  3. Step 3: Cross multiply
    275,593.44x = 413,308 × 107,139.92
  4. Step 4: Simplify right side
    275,593.44x = 44,281,786,055.36
  5. Step 5: Solve for x
    x = 44,281,786,055.36/275,593.44
  6. Step 6: Final answer
    x = 160,677.94

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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.