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Finding the Fourth Proportional to 201,079.36, 301,662.42 and 67,956.67

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Solution

The fourth proportional to 201,079.36, 301,662.42 and 67,956.67 is: 101,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,079.36 : 301,662.42 = 67,956.67 : x
  2. Step 2: Convert to fraction form
    201,079.36/301,662.42 = 67,956.67/x
  3. Step 3: Cross multiply
    201,079.36x = 301,662.42 × 67,956.67
  4. Step 4: Simplify right side
    201,079.36x = 20,499,973,527.34
  5. Step 5: Solve for x
    x = 20,499,973,527.34/201,079.36
  6. Step 6: Final answer
    x = 101,949.67

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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.