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Finding the Fourth Proportional to 275,956.46, 413,854.74 and 107,439.20

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Solution

The fourth proportional to 275,956.46, 413,854.74 and 107,439.20 is: 161,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,956.46 : 413,854.74 = 107,439.20 : x
  2. Step 2: Convert to fraction form
    275,956.46/413,854.74 = 107,439.20/x
  3. Step 3: Cross multiply
    275,956.46x = 413,854.74 × 107,439.20
  4. Step 4: Simplify right side
    275,956.46x = 44,464,222,181.81
  5. Step 5: Solve for x
    x = 44,464,222,181.81/275,956.46
  6. Step 6: Final answer
    x = 161,127.67

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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.