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Finding the Fourth Proportional to 69,300.90, 103,950.39 and 16,709.94

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Solution

The fourth proportional to 69,300.90, 103,950.39 and 16,709.94 is: 25,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,300.90 : 103,950.39 = 16,709.94 : x
  2. Step 2: Convert to fraction form
    69,300.90/103,950.39 = 16,709.94/x
  3. Step 3: Cross multiply
    69,300.90x = 103,950.39 × 16,709.94
  4. Step 4: Simplify right side
    69,300.90x = 1,737,004,779.88
  5. Step 5: Solve for x
    x = 1,737,004,779.88/69,300.90
  6. Step 6: Final answer
    x = 25,064.68

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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.