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Finding the Fourth Proportional to 67,209.50, 100,751.93 and 29,749.60

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Solution

The fourth proportional to 67,209.50, 100,751.93 and 29,749.60 is: 44,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,209.50 : 100,751.93 = 29,749.60 : x
  2. Step 2: Convert to fraction form
    67,209.50/100,751.93 = 29,749.60/x
  3. Step 3: Cross multiply
    67,209.50x = 100,751.93 × 29,749.60
  4. Step 4: Simplify right side
    67,209.50x = 2,997,329,872.82
  5. Step 5: Solve for x
    x = 2,997,329,872.82/67,209.50
  6. Step 6: Final answer
    x = 44,596.82

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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.