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Finding the Fourth Proportional to 197,391.33, 272,080.11 and 154,294.67

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Solution

The fourth proportional to 197,391.33, 272,080.11 and 154,294.67 is: 212,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,391.33 : 272,080.11 = 154,294.67 : x
  2. Step 2: Convert to fraction form
    197,391.33/272,080.11 = 154,294.67/x
  3. Step 3: Cross multiply
    197,391.33x = 272,080.11 × 154,294.67
  4. Step 4: Simplify right side
    197,391.33x = 41,980,512,044.82
  5. Step 5: Solve for x
    x = 41,980,512,044.82/197,391.33
  6. Step 6: Final answer
    x = 212,676.58

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