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Finding the Fourth Proportional to 266,485.88, 367,910.70 and 166,019.96

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Solution

The fourth proportional to 266,485.88, 367,910.70 and 166,019.96 is: 229,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,485.88 : 367,910.70 = 166,019.96 : x
  2. Step 2: Convert to fraction form
    266,485.88/367,910.70 = 166,019.96/x
  3. Step 3: Cross multiply
    266,485.88x = 367,910.70 × 166,019.96
  4. Step 4: Simplify right side
    266,485.88x = 61,080,519,697.57
  5. Step 5: Solve for x
    x = 61,080,519,697.57/266,485.88
  6. Step 6: Final answer
    x = 229,207.34

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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.