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Finding the Fourth Proportional to 173,672, 260,508 and 49,013

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Solution

The fourth proportional to 173,672, 260,508 and 49,013 is: 73,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,672 : 260,508 = 49,013 : x
  2. Step 2: Convert to fraction form
    173,672/260,508 = 49,013/x
  3. Step 3: Cross multiply
    173,672x = 260,508 × 49,013
  4. Step 4: Simplify right side
    173,672x = 12,768,278,604
  5. Step 5: Solve for x
    x = 12,768,278,604/173,672
  6. Step 6: Final answer
    x = 73,519.50

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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.