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Finding the Fourth Proportional to 104,620.76, 156,995.76 and 41,430.24

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Solution

The fourth proportional to 104,620.76, 156,995.76 and 41,430.24 is: 62,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.76 : 156,995.76 = 41,430.24 : x
  2. Step 2: Convert to fraction form
    104,620.76/156,995.76 = 41,430.24/x
  3. Step 3: Cross multiply
    104,620.76x = 156,995.76 × 41,430.24
  4. Step 4: Simplify right side
    104,620.76x = 6,504,372,015.78
  5. Step 5: Solve for x
    x = 6,504,372,015.78/104,620.76
  6. Step 6: Final answer
    x = 62,170.95

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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.