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Finding the Fourth Proportional to 103,187.67, 154,796.87 and 36,622.22

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Solution

The fourth proportional to 103,187.67, 154,796.87 and 36,622.22 is: 54,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,187.67 : 154,796.87 = 36,622.22 : x
  2. Step 2: Convert to fraction form
    103,187.67/154,796.87 = 36,622.22/x
  3. Step 3: Cross multiply
    103,187.67x = 154,796.87 × 36,622.22
  4. Step 4: Simplify right side
    103,187.67x = 5,669,005,216.76
  5. Step 5: Solve for x
    x = 5,669,005,216.76/103,187.67
  6. Step 6: Final answer
    x = 54,938.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.