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Finding the Fourth Proportional to 197,206.60, 295,809.90 and 64,091.20

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Solution

The fourth proportional to 197,206.60, 295,809.90 and 64,091.20 is: 96,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,206.60 : 295,809.90 = 64,091.20 : x
  2. Step 2: Convert to fraction form
    197,206.60/295,809.90 = 64,091.20/x
  3. Step 3: Cross multiply
    197,206.60x = 295,809.90 × 64,091.20
  4. Step 4: Simplify right side
    197,206.60x = 18,958,811,462.88
  5. Step 5: Solve for x
    x = 18,958,811,462.88/197,206.60
  6. Step 6: Final answer
    x = 96,136.80

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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.