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Finding the Fourth Proportional to 69,396.65, 104,031.19 and 25,012.54

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Solution

The fourth proportional to 69,396.65, 104,031.19 and 25,012.54 is: 37,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,396.65 : 104,031.19 = 25,012.54 : x
  2. Step 2: Convert to fraction form
    69,396.65/104,031.19 = 25,012.54/x
  3. Step 3: Cross multiply
    69,396.65x = 104,031.19 × 25,012.54
  4. Step 4: Simplify right side
    69,396.65x = 2,602,084,301.12
  5. Step 5: Solve for x
    x = 2,602,084,301.12/69,396.65
  6. Step 6: Final answer
    x = 37,495.82

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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.