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Finding the Fourth Proportional to 111,798.26, 167,697.51 and 28,692.26

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Solution

The fourth proportional to 111,798.26, 167,697.51 and 28,692.26 is: 43,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,798.26 : 167,697.51 = 28,692.26 : x
  2. Step 2: Convert to fraction form
    111,798.26/167,697.51 = 28,692.26/x
  3. Step 3: Cross multiply
    111,798.26x = 167,697.51 × 28,692.26
  4. Step 4: Simplify right side
    111,798.26x = 4,811,620,558.27
  5. Step 5: Solve for x
    x = 4,811,620,558.27/111,798.26
  6. Step 6: Final answer
    x = 43,038.42

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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.