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Finding the Fourth Proportional to 104,454.88, 156,682.32 and 37,879.90

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Solution

The fourth proportional to 104,454.88, 156,682.32 and 37,879.90 is: 56,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,454.88 : 156,682.32 = 37,879.90 : x
  2. Step 2: Convert to fraction form
    104,454.88/156,682.32 = 37,879.90/x
  3. Step 3: Cross multiply
    104,454.88x = 156,682.32 × 37,879.90
  4. Step 4: Simplify right side
    104,454.88x = 5,935,110,613.37
  5. Step 5: Solve for x
    x = 5,935,110,613.37/104,454.88
  6. Step 6: Final answer
    x = 56,819.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.