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Finding the Fourth Proportional to 104,847.60, 157,269.60 and 25,961.88

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Solution

The fourth proportional to 104,847.60, 157,269.60 and 25,961.88 is: 38,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,847.60 : 157,269.60 = 25,961.88 : x
  2. Step 2: Convert to fraction form
    104,847.60/157,269.60 = 25,961.88/x
  3. Step 3: Cross multiply
    104,847.60x = 157,269.60 × 25,961.88
  4. Step 4: Simplify right side
    104,847.60x = 4,083,014,482.85
  5. Step 5: Solve for x
    x = 4,083,014,482.85/104,847.60
  6. Step 6: Final answer
    x = 38,942.37

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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.