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Finding the Fourth Proportional to 197,093.34, 295,641.63 and 84,765.78

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Solution

The fourth proportional to 197,093.34, 295,641.63 and 84,765.78 is: 127,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,093.34 : 295,641.63 = 84,765.78 : x
  2. Step 2: Convert to fraction form
    197,093.34/295,641.63 = 84,765.78/x
  3. Step 3: Cross multiply
    197,093.34x = 295,641.63 × 84,765.78
  4. Step 4: Simplify right side
    197,093.34x = 25,060,293,367.42
  5. Step 5: Solve for x
    x = 25,060,293,367.42/197,093.34
  6. Step 6: Final answer
    x = 127,149.37

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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.