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Finding the Fourth Proportional to 197,859, 296,874.90 and 73,166.52

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Solution

The fourth proportional to 197,859, 296,874.90 and 73,166.52 is: 109,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,859 : 296,874.90 = 73,166.52 : x
  2. Step 2: Convert to fraction form
    197,859/296,874.90 = 73,166.52/x
  3. Step 3: Cross multiply
    197,859x = 296,874.90 × 73,166.52
  4. Step 4: Simplify right side
    197,859x = 21,721,303,308.35
  5. Step 5: Solve for x
    x = 21,721,303,308.35/197,859
  6. Step 6: Final answer
    x = 109,781.73

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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.