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Finding the Fourth Proportional to 104,439.84, 156,659.76 and 37,879.92

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Solution

The fourth proportional to 104,439.84, 156,659.76 and 37,879.92 is: 56,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,439.84 : 156,659.76 = 37,879.92 : x
  2. Step 2: Convert to fraction form
    104,439.84/156,659.76 = 37,879.92/x
  3. Step 3: Cross multiply
    104,439.84x = 156,659.76 × 37,879.92
  4. Step 4: Simplify right side
    104,439.84x = 5,934,259,176.02
  5. Step 5: Solve for x
    x = 5,934,259,176.02/104,439.84
  6. Step 6: Final answer
    x = 56,819.88

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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.