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Finding the Fourth Proportional to 197,101.68, 295,616.76 and 69,036.80

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Solution

The fourth proportional to 197,101.68, 295,616.76 and 69,036.80 is: 103,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,101.68 : 295,616.76 = 69,036.80 : x
  2. Step 2: Convert to fraction form
    197,101.68/295,616.76 = 69,036.80/x
  3. Step 3: Cross multiply
    197,101.68x = 295,616.76 × 69,036.80
  4. Step 4: Simplify right side
    197,101.68x = 20,408,435,136.77
  5. Step 5: Solve for x
    x = 20,408,435,136.77/197,101.68
  6. Step 6: Final answer
    x = 103,542.67

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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.