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Finding the Fourth Proportional to 173,954, 260,931 and 42,626

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Solution

The fourth proportional to 173,954, 260,931 and 42,626 is: 63,939

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,954 : 260,931 = 42,626 : x
  2. Step 2: Convert to fraction form
    173,954/260,931 = 42,626/x
  3. Step 3: Cross multiply
    173,954x = 260,931 × 42,626
  4. Step 4: Simplify right side
    173,954x = 11,122,444,806
  5. Step 5: Solve for x
    x = 11,122,444,806/173,954
  6. Step 6: Final answer
    x = 63,939

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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.