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Finding the Fourth Proportional to 197,496.86, 296,243.88 and 79,166.48

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Solution

The fourth proportional to 197,496.86, 296,243.88 and 79,166.48 is: 118,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,496.86 : 296,243.88 = 79,166.48 : x
  2. Step 2: Convert to fraction form
    197,496.86/296,243.88 = 79,166.48/x
  3. Step 3: Cross multiply
    197,496.86x = 296,243.88 × 79,166.48
  4. Step 4: Simplify right side
    197,496.86x = 23,452,585,201.14
  5. Step 5: Solve for x
    x = 23,452,585,201.14/197,496.86
  6. Step 6: Final answer
    x = 118,749.15

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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.