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Finding the Fourth Proportional to 104,607.99, 156,910.61 and 25,722.90

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Solution

The fourth proportional to 104,607.99, 156,910.61 and 25,722.90 is: 38,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,607.99 : 156,910.61 = 25,722.90 : x
  2. Step 2: Convert to fraction form
    104,607.99/156,910.61 = 25,722.90/x
  3. Step 3: Cross multiply
    104,607.99x = 156,910.61 × 25,722.90
  4. Step 4: Simplify right side
    104,607.99x = 4,036,195,929.97
  5. Step 5: Solve for x
    x = 4,036,195,929.97/104,607.99
  6. Step 6: Final answer
    x = 38,584.01

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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.