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Finding the Fourth Proportional to 192,899.86, 266,195.76 and 106,855.39

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Solution

The fourth proportional to 192,899.86, 266,195.76 and 106,855.39 is: 147,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,899.86 : 266,195.76 = 106,855.39 : x
  2. Step 2: Convert to fraction form
    192,899.86/266,195.76 = 106,855.39/x
  3. Step 3: Cross multiply
    192,899.86x = 266,195.76 × 106,855.39
  4. Step 4: Simplify right side
    192,899.86x = 28,444,451,751.15
  5. Step 5: Solve for x
    x = 28,444,451,751.15/192,899.86
  6. Step 6: Final answer
    x = 147,457.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.