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Finding the Fourth Proportional to 181,361.88, 250,201.71 and 113,260.64

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Solution

The fourth proportional to 181,361.88, 250,201.71 and 113,260.64 is: 156,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,361.88 : 250,201.71 = 113,260.64 : x
  2. Step 2: Convert to fraction form
    181,361.88/250,201.71 = 113,260.64/x
  3. Step 3: Cross multiply
    181,361.88x = 250,201.71 × 113,260.64
  4. Step 4: Simplify right side
    181,361.88x = 28,338,004,552.69
  5. Step 5: Solve for x
    x = 28,338,004,552.69/181,361.88
  6. Step 6: Final answer
    x = 156,251.16

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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.