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Finding the Fourth Proportional to 150,361.66, 207,498.98 and 82,382.88

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Solution

The fourth proportional to 150,361.66, 207,498.98 and 82,382.88 is: 113,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,361.66 : 207,498.98 = 82,382.88 : x
  2. Step 2: Convert to fraction form
    150,361.66/207,498.98 = 82,382.88/x
  3. Step 3: Cross multiply
    150,361.66x = 207,498.98 × 82,382.88
  4. Step 4: Simplify right side
    150,361.66x = 17,094,364,553.54
  5. Step 5: Solve for x
    x = 17,094,364,553.54/150,361.66
  6. Step 6: Final answer
    x = 113,688.32

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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.