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Finding the Fourth Proportional to 192,914.55, 266,222.03 and 106,879.12

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Solution

The fourth proportional to 192,914.55, 266,222.03 and 106,879.12 is: 147,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,914.55 : 266,222.03 = 106,879.12 : x
  2. Step 2: Convert to fraction form
    192,914.55/266,222.03 = 106,879.12/x
  3. Step 3: Cross multiply
    192,914.55x = 266,222.03 × 106,879.12
  4. Step 4: Simplify right side
    192,914.55x = 28,453,575,091.06
  5. Step 5: Solve for x
    x = 28,453,575,091.06/192,914.55
  6. Step 6: Final answer
    x = 147,493.15

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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.