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Finding the Fourth Proportional to 124,485.23, 186,728.99 and 35,738.73

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Solution

The fourth proportional to 124,485.23, 186,728.99 and 35,738.73 is: 53,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485.23 : 186,728.99 = 35,738.73 : x
  2. Step 2: Convert to fraction form
    124,485.23/186,728.99 = 35,738.73/x
  3. Step 3: Cross multiply
    124,485.23x = 186,728.99 × 35,738.73
  4. Step 4: Simplify right side
    124,485.23x = 6,673,456,956.78
  5. Step 5: Solve for x
    x = 6,673,456,956.78/124,485.23
  6. Step 6: Final answer
    x = 53,608.42

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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.