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Finding the Fourth Proportional to 69,269.92, 103,742.88 and 34,096.48

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Solution

The fourth proportional to 69,269.92, 103,742.88 and 34,096.48 is: 51,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,269.92 : 103,742.88 = 34,096.48 : x
  2. Step 2: Convert to fraction form
    69,269.92/103,742.88 = 34,096.48/x
  3. Step 3: Cross multiply
    69,269.92x = 103,742.88 × 34,096.48
  4. Step 4: Simplify right side
    69,269.92x = 3,537,267,033.06
  5. Step 5: Solve for x
    x = 3,537,267,033.06/69,269.92
  6. Step 6: Final answer
    x = 51,064.98

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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.