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Finding the Fourth Proportional to 95,031.92, 142,411.80 and 53,391.44

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Solution

The fourth proportional to 95,031.92, 142,411.80 and 53,391.44 is: 80,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,031.92 : 142,411.80 = 53,391.44 : x
  2. Step 2: Convert to fraction form
    95,031.92/142,411.80 = 53,391.44/x
  3. Step 3: Cross multiply
    95,031.92x = 142,411.80 × 53,391.44
  4. Step 4: Simplify right side
    95,031.92x = 7,603,571,074.99
  5. Step 5: Solve for x
    x = 7,603,571,074.99/95,031.92
  6. Step 6: Final answer
    x = 80,010.71

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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.