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Finding the Fourth Proportional to 107,190.54, 160,616.62 and 39,629.86

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Solution

The fourth proportional to 107,190.54, 160,616.62 and 39,629.86 is: 59,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,190.54 : 160,616.62 = 39,629.86 : x
  2. Step 2: Convert to fraction form
    107,190.54/160,616.62 = 39,629.86/x
  3. Step 3: Cross multiply
    107,190.54x = 160,616.62 × 39,629.86
  4. Step 4: Simplify right side
    107,190.54x = 6,365,213,812.27
  5. Step 5: Solve for x
    x = 6,365,213,812.27/107,190.54
  6. Step 6: Final answer
    x = 59,382.23

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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.