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Finding the Fourth Proportional to 137,469.36, 206,203.86 and 37,630.38

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Solution

The fourth proportional to 137,469.36, 206,203.86 and 37,630.38 is: 56,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,469.36 : 206,203.86 = 37,630.38 : x
  2. Step 2: Convert to fraction form
    137,469.36/206,203.86 = 37,630.38/x
  3. Step 3: Cross multiply
    137,469.36x = 206,203.86 × 37,630.38
  4. Step 4: Simplify right side
    137,469.36x = 7,759,529,609.27
  5. Step 5: Solve for x
    x = 7,759,529,609.27/137,469.36
  6. Step 6: Final answer
    x = 56,445.52

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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.