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Finding the Fourth Proportional to 250,940.19, 376,424.91 and 71,010.54

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Solution

The fourth proportional to 250,940.19, 376,424.91 and 71,010.54 is: 106,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,940.19 : 376,424.91 = 71,010.54 : x
  2. Step 2: Convert to fraction form
    250,940.19/376,424.91 = 71,010.54/x
  3. Step 3: Cross multiply
    250,940.19x = 376,424.91 × 71,010.54
  4. Step 4: Simplify right side
    250,940.19x = 26,730,136,128.55
  5. Step 5: Solve for x
    x = 26,730,136,128.55/250,940.19
  6. Step 6: Final answer
    x = 106,519.95

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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.