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Finding the Fourth Proportional to 69,668.16, 104,636.70 and 59,695.44

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Solution

The fourth proportional to 69,668.16, 104,636.70 and 59,695.44 is: 89,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.16 : 104,636.70 = 59,695.44 : x
  2. Step 2: Convert to fraction form
    69,668.16/104,636.70 = 59,695.44/x
  3. Step 3: Cross multiply
    69,668.16x = 104,636.70 × 59,695.44
  4. Step 4: Simplify right side
    69,668.16x = 6,246,333,846.65
  5. Step 5: Solve for x
    x = 6,246,333,846.65/69,668.16
  6. Step 6: Final answer
    x = 89,658.37

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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.