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Finding the Fourth Proportional to 69,300.88, 103,950.41 and 16,709.91

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Solution

The fourth proportional to 69,300.88, 103,950.41 and 16,709.91 is: 25,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,300.88 : 103,950.41 = 16,709.91 : x
  2. Step 2: Convert to fraction form
    69,300.88/103,950.41 = 16,709.91/x
  3. Step 3: Cross multiply
    69,300.88x = 103,950.41 × 16,709.91
  4. Step 4: Simplify right side
    69,300.88x = 1,737,001,522.20
  5. Step 5: Solve for x
    x = 1,737,001,522.20/69,300.88
  6. Step 6: Final answer
    x = 25,064.64

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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.