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Finding the Fourth Proportional to 197,611.40, 296,472.48 and 79,365.68

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Solution

The fourth proportional to 197,611.40, 296,472.48 and 79,365.68 is: 119,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,611.40 : 296,472.48 = 79,365.68 : x
  2. Step 2: Convert to fraction form
    197,611.40/296,472.48 = 79,365.68/x
  3. Step 3: Cross multiply
    197,611.40x = 296,472.48 × 79,365.68
  4. Step 4: Simplify right side
    197,611.40x = 23,529,739,976.49
  5. Step 5: Solve for x
    x = 23,529,739,976.49/197,611.40
  6. Step 6: Final answer
    x = 119,070.76

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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.