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Finding the Fourth Proportional to 104,607.74, 156,910.24 and 25,722.65

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Solution

The fourth proportional to 104,607.74, 156,910.24 and 25,722.65 is: 38,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,607.74 : 156,910.24 = 25,722.65 : x
  2. Step 2: Convert to fraction form
    104,607.74/156,910.24 = 25,722.65/x
  3. Step 3: Cross multiply
    104,607.74x = 156,910.24 × 25,722.65
  4. Step 4: Simplify right side
    104,607.74x = 4,036,146,728.35
  5. Step 5: Solve for x
    x = 4,036,146,728.35/104,607.74
  6. Step 6: Final answer
    x = 38,583.63

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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.