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Finding the Fourth Proportional to 69,297.92, 103,946.57 and 16,707.25

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Solution

The fourth proportional to 69,297.92, 103,946.57 and 16,707.25 is: 25,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,297.92 : 103,946.57 = 16,707.25 : x
  2. Step 2: Convert to fraction form
    69,297.92/103,946.57 = 16,707.25/x
  3. Step 3: Cross multiply
    69,297.92x = 103,946.57 × 16,707.25
  4. Step 4: Simplify right side
    69,297.92x = 1,736,661,331.63
  5. Step 5: Solve for x
    x = 1,736,661,331.63/69,297.92
  6. Step 6: Final answer
    x = 25,060.80

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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.