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Finding the Fourth Proportional to 115,958.57, 173,962.67 and 35,994.78

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Solution

The fourth proportional to 115,958.57, 173,962.67 and 35,994.78 is: 53,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,958.57 : 173,962.67 = 35,994.78 : x
  2. Step 2: Convert to fraction form
    115,958.57/173,962.67 = 35,994.78/x
  3. Step 3: Cross multiply
    115,958.57x = 173,962.67 × 35,994.78
  4. Step 4: Simplify right side
    115,958.57x = 6,261,748,124.85
  5. Step 5: Solve for x
    x = 6,261,748,124.85/115,958.57
  6. Step 6: Final answer
    x = 53,999.88

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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.