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Finding the Fourth Proportional to 215,375.44, 297,182.64 and 119,879.68

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Solution

The fourth proportional to 215,375.44, 297,182.64 and 119,879.68 is: 165,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,375.44 : 297,182.64 = 119,879.68 : x
  2. Step 2: Convert to fraction form
    215,375.44/297,182.64 = 119,879.68/x
  3. Step 3: Cross multiply
    215,375.44x = 297,182.64 × 119,879.68
  4. Step 4: Simplify right side
    215,375.44x = 35,626,159,784.76
  5. Step 5: Solve for x
    x = 35,626,159,784.76/215,375.44
  6. Step 6: Final answer
    x = 165,414.22

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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.