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Finding the Fourth Proportional to 150,627.52, 207,844.36 and 90,183.68

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Solution

The fourth proportional to 150,627.52, 207,844.36 and 90,183.68 is: 124,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,627.52 : 207,844.36 = 90,183.68 : x
  2. Step 2: Convert to fraction form
    150,627.52/207,844.36 = 90,183.68/x
  3. Step 3: Cross multiply
    150,627.52x = 207,844.36 × 90,183.68
  4. Step 4: Simplify right side
    150,627.52x = 18,744,169,252.04
  5. Step 5: Solve for x
    x = 18,744,169,252.04/150,627.52
  6. Step 6: Final answer
    x = 124,440.54

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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.