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Finding the Fourth Proportional to 297,183.76, 445,886.61 and 119,741.11

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Solution

The fourth proportional to 297,183.76, 445,886.61 and 119,741.11 is: 179,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,183.76 : 445,886.61 = 119,741.11 : x
  2. Step 2: Convert to fraction form
    297,183.76/445,886.61 = 119,741.11/x
  3. Step 3: Cross multiply
    297,183.76x = 445,886.61 × 119,741.11
  4. Step 4: Simplify right side
    297,183.76x = 53,390,957,615.54
  5. Step 5: Solve for x
    x = 53,390,957,615.54/297,183.76
  6. Step 6: Final answer
    x = 179,656.38

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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.