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Finding the Fourth Proportional to 110,715.69, 166,099.90 and 35,835.85

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Solution

The fourth proportional to 110,715.69, 166,099.90 and 35,835.85 is: 53,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,715.69 : 166,099.90 = 35,835.85 : x
  2. Step 2: Convert to fraction form
    110,715.69/166,099.90 = 35,835.85/x
  3. Step 3: Cross multiply
    110,715.69x = 166,099.90 × 35,835.85
  4. Step 4: Simplify right side
    110,715.69x = 5,952,330,596.58
  5. Step 5: Solve for x
    x = 5,952,330,596.58/110,715.69
  6. Step 6: Final answer
    x = 53,762.30

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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.