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Finding the Fourth Proportional to 197,141.60, 295,906.80 and 97,414.40

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Solution

The fourth proportional to 197,141.60, 295,906.80 and 97,414.40 is: 146,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,141.60 : 295,906.80 = 97,414.40 : x
  2. Step 2: Convert to fraction form
    197,141.60/295,906.80 = 97,414.40/x
  3. Step 3: Cross multiply
    197,141.60x = 295,906.80 × 97,414.40
  4. Step 4: Simplify right side
    197,141.60x = 28,825,583,377.92
  5. Step 5: Solve for x
    x = 28,825,583,377.92/197,141.60
  6. Step 6: Final answer
    x = 146,217.66

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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.