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Finding the Fourth Proportional to 366,859.80, 550,289.70 and 100,647.23

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Solution

The fourth proportional to 366,859.80, 550,289.70 and 100,647.23 is: 150,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,859.80 : 550,289.70 = 100,647.23 : x
  2. Step 2: Convert to fraction form
    366,859.80/550,289.70 = 100,647.23/x
  3. Step 3: Cross multiply
    366,859.80x = 550,289.70 × 100,647.23
  4. Step 4: Simplify right side
    366,859.80x = 55,385,131,251.08
  5. Step 5: Solve for x
    x = 55,385,131,251.08/366,859.80
  6. Step 6: Final answer
    x = 150,970.84

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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.