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Finding the Fourth Proportional to 104,169.80, 156,208.62 and 30,303.56

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Solution

The fourth proportional to 104,169.80, 156,208.62 and 30,303.56 is: 45,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,169.80 : 156,208.62 = 30,303.56 : x
  2. Step 2: Convert to fraction form
    104,169.80/156,208.62 = 30,303.56/x
  3. Step 3: Cross multiply
    104,169.80x = 156,208.62 × 30,303.56
  4. Step 4: Simplify right side
    104,169.80x = 4,733,677,288.69
  5. Step 5: Solve for x
    x = 4,733,677,288.69/104,169.80
  6. Step 6: Final answer
    x = 45,441.94

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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.