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Finding the Fourth Proportional to 104,493.88, 144,200.19 and 56,747.53

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Solution

The fourth proportional to 104,493.88, 144,200.19 and 56,747.53 is: 78,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493.88 : 144,200.19 = 56,747.53 : x
  2. Step 2: Convert to fraction form
    104,493.88/144,200.19 = 56,747.53/x
  3. Step 3: Cross multiply
    104,493.88x = 144,200.19 × 56,747.53
  4. Step 4: Simplify right side
    104,493.88x = 8,183,004,608.03
  5. Step 5: Solve for x
    x = 8,183,004,608.03/104,493.88
  6. Step 6: Final answer
    x = 78,310.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.