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Finding the Fourth Proportional to 115,391.46, 173,101.01 and 35,418.96

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Solution

The fourth proportional to 115,391.46, 173,101.01 and 35,418.96 is: 53,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,391.46 : 173,101.01 = 35,418.96 : x
  2. Step 2: Convert to fraction form
    115,391.46/173,101.01 = 35,418.96/x
  3. Step 3: Cross multiply
    115,391.46x = 173,101.01 × 35,418.96
  4. Step 4: Simplify right side
    115,391.46x = 6,131,057,254.98
  5. Step 5: Solve for x
    x = 6,131,057,254.98/115,391.46
  6. Step 6: Final answer
    x = 53,132.68

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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.