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Finding the Fourth Proportional to 95,357.98, 143,013 and 39,213.77

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Solution

The fourth proportional to 95,357.98, 143,013 and 39,213.77 is: 58,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,357.98 : 143,013 = 39,213.77 : x
  2. Step 2: Convert to fraction form
    95,357.98/143,013 = 39,213.77/x
  3. Step 3: Cross multiply
    95,357.98x = 143,013 × 39,213.77
  4. Step 4: Simplify right side
    95,357.98x = 5,608,078,889.01
  5. Step 5: Solve for x
    x = 5,608,078,889.01/95,357.98
  6. Step 6: Final answer
    x = 58,810.80

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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.