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Finding the Fourth Proportional to 69,675.51, 104,549.01 and 34,136.16

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Solution

The fourth proportional to 69,675.51, 104,549.01 and 34,136.16 is: 51,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,675.51 : 104,549.01 = 34,136.16 : x
  2. Step 2: Convert to fraction form
    69,675.51/104,549.01 = 34,136.16/x
  3. Step 3: Cross multiply
    69,675.51x = 104,549.01 × 34,136.16
  4. Step 4: Simplify right side
    69,675.51x = 3,568,901,733.20
  5. Step 5: Solve for x
    x = 3,568,901,733.20/69,675.51
  6. Step 6: Final answer
    x = 51,221.75

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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.