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Finding the Fourth Proportional to 111,907.46, 167,865.80 and 33,021.70

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Solution

The fourth proportional to 111,907.46, 167,865.80 and 33,021.70 is: 49,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,907.46 : 167,865.80 = 33,021.70 : x
  2. Step 2: Convert to fraction form
    111,907.46/167,865.80 = 33,021.70/x
  3. Step 3: Cross multiply
    111,907.46x = 167,865.80 × 33,021.70
  4. Step 4: Simplify right side
    111,907.46x = 5,543,214,087.86
  5. Step 5: Solve for x
    x = 5,543,214,087.86/111,907.46
  6. Step 6: Final answer
    x = 49,533.91

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1.5x scale

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.