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Finding the Fourth Proportional to 64,121.76, 95,942.07 and 53,033.67

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Solution

The fourth proportional to 64,121.76, 95,942.07 and 53,033.67 is: 79,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.76 : 95,942.07 = 53,033.67 : x
  2. Step 2: Convert to fraction form
    64,121.76/95,942.07 = 53,033.67/x
  3. Step 3: Cross multiply
    64,121.76x = 95,942.07 × 53,033.67
  4. Step 4: Simplify right side
    64,121.76x = 5,088,160,079.50
  5. Step 5: Solve for x
    x = 5,088,160,079.50/64,121.76
  6. Step 6: Final answer
    x = 79,351.53

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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.