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Finding the Fourth Proportional to 197,425, 272,452.98 and 108,001

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Solution

The fourth proportional to 197,425, 272,452.98 and 108,001 is: 149,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,425 : 272,452.98 = 108,001 : x
  2. Step 2: Convert to fraction form
    197,425/272,452.98 = 108,001/x
  3. Step 3: Cross multiply
    197,425x = 272,452.98 × 108,001
  4. Step 4: Simplify right side
    197,425x = 29,425,194,292.98
  5. Step 5: Solve for x
    x = 29,425,194,292.98/197,425
  6. Step 6: Final answer
    x = 149,044.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.