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Finding the Fourth Proportional to 71,365.80, 107,015.16 and 41,388.54

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Solution

The fourth proportional to 71,365.80, 107,015.16 and 41,388.54 is: 62,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,365.80 : 107,015.16 = 41,388.54 : x
  2. Step 2: Convert to fraction form
    71,365.80/107,015.16 = 41,388.54/x
  3. Step 3: Cross multiply
    71,365.80x = 107,015.16 × 41,388.54
  4. Step 4: Simplify right side
    71,365.80x = 4,429,201,230.27
  5. Step 5: Solve for x
    x = 4,429,201,230.27/71,365.80
  6. Step 6: Final answer
    x = 62,063.36

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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.