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Finding the Fourth Proportional to 150,644.00, 207,489.65 and 112,280.61

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Solution

The fourth proportional to 150,644.00, 207,489.65 and 112,280.61 is: 154,649.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,644.00 : 207,489.65 = 112,280.61 : x
  2. Step 2: Convert to fraction form
    150,644.00/207,489.65 = 112,280.61/x
  3. Step 3: Cross multiply
    150,644.00x = 207,489.65 × 112,280.61
  4. Step 4: Simplify right side
    150,644.00x = 23,297,063,568.25
  5. Step 5: Solve for x
    x = 23,297,063,568.25/150,644.00
  6. Step 6: Final answer
    x = 154,649.79

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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.