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Finding the Fourth Proportional to 266,016.66, 367,111.05 and 151,311.79

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Solution

The fourth proportional to 266,016.66, 367,111.05 and 151,311.79 is: 208,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,016.66 : 367,111.05 = 151,311.79 : x
  2. Step 2: Convert to fraction form
    266,016.66/367,111.05 = 151,311.79/x
  3. Step 3: Cross multiply
    266,016.66x = 367,111.05 × 151,311.79
  4. Step 4: Simplify right side
    266,016.66x = 55,548,230,104.28
  5. Step 5: Solve for x
    x = 55,548,230,104.28/266,016.66
  6. Step 6: Final answer
    x = 208,814.85

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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.