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Finding the Fourth Proportional to 181,351.64, 250,187.62 and 113,250.40

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Solution

The fourth proportional to 181,351.64, 250,187.62 and 113,250.40 is: 156,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,351.64 : 250,187.62 = 113,250.40 : x
  2. Step 2: Convert to fraction form
    181,351.64/250,187.62 = 113,250.40/x
  3. Step 3: Cross multiply
    181,351.64x = 250,187.62 × 113,250.40
  4. Step 4: Simplify right side
    181,351.64x = 28,333,848,040.05
  5. Step 5: Solve for x
    x = 28,333,848,040.05/181,351.64
  6. Step 6: Final answer
    x = 156,237.07

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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.