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Finding the Fourth Proportional to 234,358.36, 351,538.01 and 84,704.33

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Solution

The fourth proportional to 234,358.36, 351,538.01 and 84,704.33 is: 127,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,358.36 : 351,538.01 = 84,704.33 : x
  2. Step 2: Convert to fraction form
    234,358.36/351,538.01 = 84,704.33/x
  3. Step 3: Cross multiply
    234,358.36x = 351,538.01 × 84,704.33
  4. Step 4: Simplify right side
    234,358.36x = 29,776,791,183.06
  5. Step 5: Solve for x
    x = 29,776,791,183.06/234,358.36
  6. Step 6: Final answer
    x = 127,056.67

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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.