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Finding the Fourth Proportional to 215,383.74, 297,226.44 and 119,890.32

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Solution

The fourth proportional to 215,383.74, 297,226.44 and 119,890.32 is: 165,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,383.74 : 297,226.44 = 119,890.32 : x
  2. Step 2: Convert to fraction form
    215,383.74/297,226.44 = 119,890.32/x
  3. Step 3: Cross multiply
    215,383.74x = 297,226.44 × 119,890.32
  4. Step 4: Simplify right side
    215,383.74x = 35,634,573,004.06
  5. Step 5: Solve for x
    x = 35,634,573,004.06/215,383.74
  6. Step 6: Final answer
    x = 165,446.90

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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.