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Finding the Fourth Proportional to 79,365.96, 119,048.52 and 20,202.48

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Solution

The fourth proportional to 79,365.96, 119,048.52 and 20,202.48 is: 30,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,365.96 : 119,048.52 = 20,202.48 : x
  2. Step 2: Convert to fraction form
    79,365.96/119,048.52 = 20,202.48/x
  3. Step 3: Cross multiply
    79,365.96x = 119,048.52 × 20,202.48
  4. Step 4: Simplify right side
    79,365.96x = 2,405,075,344.33
  5. Step 5: Solve for x
    x = 2,405,075,344.33/79,365.96
  6. Step 6: Final answer
    x = 30,303.61

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1.5x scale

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.