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Finding the Fourth Proportional to 277,099.96, 415,635 and 108,650.56

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Solution

The fourth proportional to 277,099.96, 415,635 and 108,650.56 is: 162,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,099.96 : 415,635 = 108,650.56 : x
  2. Step 2: Convert to fraction form
    277,099.96/415,635 = 108,650.56/x
  3. Step 3: Cross multiply
    277,099.96x = 415,635 × 108,650.56
  4. Step 4: Simplify right side
    277,099.96x = 45,158,975,505.60
  5. Step 5: Solve for x
    x = 45,158,975,505.60/277,099.96
  6. Step 6: Final answer
    x = 162,969.98

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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.