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Finding the Fourth Proportional to 104,558.88, 156,836.88 and 25,672.80

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Solution

The fourth proportional to 104,558.88, 156,836.88 and 25,672.80 is: 38,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,558.88 : 156,836.88 = 25,672.80 : x
  2. Step 2: Convert to fraction form
    104,558.88/156,836.88 = 25,672.80/x
  3. Step 3: Cross multiply
    104,558.88x = 156,836.88 × 25,672.80
  4. Step 4: Simplify right side
    104,558.88x = 4,026,441,852.86
  5. Step 5: Solve for x
    x = 4,026,441,852.86/104,558.88
  6. Step 6: Final answer
    x = 38,508.85

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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.