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Finding the Fourth Proportional to 71,223.99, 106,672.41 and 35,575.89

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Solution

The fourth proportional to 71,223.99, 106,672.41 and 35,575.89 is: 53,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,223.99 : 106,672.41 = 35,575.89 : x
  2. Step 2: Convert to fraction form
    71,223.99/106,672.41 = 35,575.89/x
  3. Step 3: Cross multiply
    71,223.99x = 106,672.41 × 35,575.89
  4. Step 4: Simplify right side
    71,223.99x = 3,794,965,924.19
  5. Step 5: Solve for x
    x = 3,794,965,924.19/71,223.99
  6. Step 6: Final answer
    x = 53,282.13

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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.