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Finding the Fourth Proportional to 275,572.17, 413,360.48 and 75,903.57

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Solution

The fourth proportional to 275,572.17, 413,360.48 and 75,903.57 is: 113,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,572.17 : 413,360.48 = 75,903.57 : x
  2. Step 2: Convert to fraction form
    275,572.17/413,360.48 = 75,903.57/x
  3. Step 3: Cross multiply
    275,572.17x = 413,360.48 × 75,903.57
  4. Step 4: Simplify right side
    275,572.17x = 31,375,535,749.40
  5. Step 5: Solve for x
    x = 31,375,535,749.40/275,572.17
  6. Step 6: Final answer
    x = 113,855.97

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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.