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Finding the Fourth Proportional to 215,374.82, 297,217.26 and 119,879.46

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Solution

The fourth proportional to 215,374.82, 297,217.26 and 119,879.46 is: 165,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,374.82 : 297,217.26 = 119,879.46 : x
  2. Step 2: Convert to fraction form
    215,374.82/297,217.26 = 119,879.46/x
  3. Step 3: Cross multiply
    215,374.82x = 297,217.26 × 119,879.46
  4. Step 4: Simplify right side
    215,374.82x = 35,630,244,631.48
  5. Step 5: Solve for x
    x = 35,630,244,631.48/215,374.82
  6. Step 6: Final answer
    x = 165,433.66

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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.