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Finding the Fourth Proportional to 215,336.80, 297,168.24 and 119,847.52

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Solution

The fourth proportional to 215,336.80, 297,168.24 and 119,847.52 is: 165,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,336.80 : 297,168.24 = 119,847.52 : x
  2. Step 2: Convert to fraction form
    215,336.80/297,168.24 = 119,847.52/x
  3. Step 3: Cross multiply
    215,336.80x = 297,168.24 × 119,847.52
  4. Step 4: Simplify right side
    215,336.80x = 35,614,876,586.76
  5. Step 5: Solve for x
    x = 35,614,876,586.76/215,336.80
  6. Step 6: Final answer
    x = 165,391.50

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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.