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Finding the Fourth Proportional to 144,593.45, 199,510.60 and 90,847.32

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Solution

The fourth proportional to 144,593.45, 199,510.60 and 90,847.32 is: 125,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,593.45 : 199,510.60 = 90,847.32 : x
  2. Step 2: Convert to fraction form
    144,593.45/199,510.60 = 90,847.32/x
  3. Step 3: Cross multiply
    144,593.45x = 199,510.60 × 90,847.32
  4. Step 4: Simplify right side
    144,593.45x = 18,125,004,183.32
  5. Step 5: Solve for x
    x = 18,125,004,183.32/144,593.45
  6. Step 6: Final answer
    x = 125,351.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.