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Finding the Fourth Proportional to 95,161.88, 131,328.90 and 52,141.46

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Solution

The fourth proportional to 95,161.88, 131,328.90 and 52,141.46 is: 71,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,161.88 : 131,328.90 = 52,141.46 : x
  2. Step 2: Convert to fraction form
    95,161.88/131,328.90 = 52,141.46/x
  3. Step 3: Cross multiply
    95,161.88x = 131,328.90 × 52,141.46
  4. Step 4: Simplify right side
    95,161.88x = 6,847,679,929.55
  5. Step 5: Solve for x
    x = 6,847,679,929.55/95,161.88
  6. Step 6: Final answer
    x = 71,958.23

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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.