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Finding the Fourth Proportional to 197,751.72, 272,895.72 and 107,105.58

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Solution

The fourth proportional to 197,751.72, 272,895.72 and 107,105.58 is: 147,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,751.72 : 272,895.72 = 107,105.58 : x
  2. Step 2: Convert to fraction form
    197,751.72/272,895.72 = 107,105.58/x
  3. Step 3: Cross multiply
    197,751.72x = 272,895.72 × 107,105.58
  4. Step 4: Simplify right side
    197,751.72x = 29,228,654,370.12
  5. Step 5: Solve for x
    x = 29,228,654,370.12/197,751.72
  6. Step 6: Final answer
    x = 147,804.80

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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.