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Finding the Fourth Proportional to 71,503.65, 107,369.99 and 58,996.44

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Solution

The fourth proportional to 71,503.65, 107,369.99 and 58,996.44 is: 88,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,503.65 : 107,369.99 = 58,996.44 : x
  2. Step 2: Convert to fraction form
    71,503.65/107,369.99 = 58,996.44/x
  3. Step 3: Cross multiply
    71,503.65x = 107,369.99 × 58,996.44
  4. Step 4: Simplify right side
    71,503.65x = 6,334,446,877.85
  5. Step 5: Solve for x
    x = 6,334,446,877.85/71,503.65
  6. Step 6: Final answer
    x = 88,589.14

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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.