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Finding the Fourth Proportional to 171,290.26, 256,929.23 and 44,929.49

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Solution

The fourth proportional to 171,290.26, 256,929.23 and 44,929.49 is: 67,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,290.26 : 256,929.23 = 44,929.49 : x
  2. Step 2: Convert to fraction form
    171,290.26/256,929.23 = 44,929.49/x
  3. Step 3: Cross multiply
    171,290.26x = 256,929.23 × 44,929.49
  4. Step 4: Simplify right side
    171,290.26x = 11,543,699,269.99
  5. Step 5: Solve for x
    x = 11,543,699,269.99/171,290.26
  6. Step 6: Final answer
    x = 67,392.62

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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.