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Finding the Fourth Proportional to 71,668.67, 106,898.32 and 62,234.50

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Solution

The fourth proportional to 71,668.67, 106,898.32 and 62,234.50 is: 92,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,668.67 : 106,898.32 = 62,234.50 : x
  2. Step 2: Convert to fraction form
    71,668.67/106,898.32 = 62,234.50/x
  3. Step 3: Cross multiply
    71,668.67x = 106,898.32 × 62,234.50
  4. Step 4: Simplify right side
    71,668.67x = 6,652,763,452.11
  5. Step 5: Solve for x
    x = 6,652,763,452.11/71,668.67
  6. Step 6: Final answer
    x = 92,826.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.