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Finding the Fourth Proportional to 87,897.54, 131,893.68 and 58,329.30

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Solution

The fourth proportional to 87,897.54, 131,893.68 and 58,329.30 is: 87,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,897.54 : 131,893.68 = 58,329.30 : x
  2. Step 2: Convert to fraction form
    87,897.54/131,893.68 = 58,329.30/x
  3. Step 3: Cross multiply
    87,897.54x = 131,893.68 × 58,329.30
  4. Step 4: Simplify right side
    87,897.54x = 7,693,266,028.82
  5. Step 5: Solve for x
    x = 7,693,266,028.82/87,897.54
  6. Step 6: Final answer
    x = 87,525.38

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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.