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Finding the Fourth Proportional to 181,279, 250,194.98 and 151,016.38

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Solution

The fourth proportional to 181,279, 250,194.98 and 151,016.38 is: 208,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,279 : 250,194.98 = 151,016.38 : x
  2. Step 2: Convert to fraction form
    181,279/250,194.98 = 151,016.38/x
  3. Step 3: Cross multiply
    181,279x = 250,194.98 × 151,016.38
  4. Step 4: Simplify right side
    181,279x = 37,783,540,173.77
  5. Step 5: Solve for x
    x = 37,783,540,173.77/181,279
  6. Step 6: Final answer
    x = 208,427.56

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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.