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Finding the Fourth Proportional to 104,190.80, 156,055.80 and 41,829.20

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Solution

The fourth proportional to 104,190.80, 156,055.80 and 41,829.20 is: 62,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,190.80 : 156,055.80 = 41,829.20 : x
  2. Step 2: Convert to fraction form
    104,190.80/156,055.80 = 41,829.20/x
  3. Step 3: Cross multiply
    104,190.80x = 156,055.80 × 41,829.20
  4. Step 4: Simplify right side
    104,190.80x = 6,527,689,269.36
  5. Step 5: Solve for x
    x = 6,527,689,269.36/104,190.80
  6. Step 6: Final answer
    x = 62,651.30

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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.