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Finding the Fourth Proportional to 197,231.90, 295,653.45 and 97,310.30

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Solution

The fourth proportional to 197,231.90, 295,653.45 and 97,310.30 is: 145,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,231.90 : 295,653.45 = 97,310.30 : x
  2. Step 2: Convert to fraction form
    197,231.90/295,653.45 = 97,310.30/x
  3. Step 3: Cross multiply
    197,231.90x = 295,653.45 × 97,310.30
  4. Step 4: Simplify right side
    197,231.90x = 28,770,125,915.54
  5. Step 5: Solve for x
    x = 28,770,125,915.54/197,231.90
  6. Step 6: Final answer
    x = 145,869.54

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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.