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Finding the Fourth Proportional to 69,439, 104,136.90 and 25,059.94

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Solution

The fourth proportional to 69,439, 104,136.90 and 25,059.94 is: 37,582.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439 : 104,136.90 = 25,059.94 : x
  2. Step 2: Convert to fraction form
    69,439/104,136.90 = 25,059.94/x
  3. Step 3: Cross multiply
    69,439x = 104,136.90 × 25,059.94
  4. Step 4: Simplify right side
    69,439x = 2,609,664,465.79
  5. Step 5: Solve for x
    x = 2,609,664,465.79/69,439
  6. Step 6: Final answer
    x = 37,582.11

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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.