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Finding the Fourth Proportional to 220,126.50, 303,774.60 and 119,524.50

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Solution

The fourth proportional to 220,126.50, 303,774.60 and 119,524.50 is: 164,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,126.50 : 303,774.60 = 119,524.50 : x
  2. Step 2: Convert to fraction form
    220,126.50/303,774.60 = 119,524.50/x
  3. Step 3: Cross multiply
    220,126.50x = 303,774.60 × 119,524.50
  4. Step 4: Simplify right side
    220,126.50x = 36,308,507,177.70
  5. Step 5: Solve for x
    x = 36,308,507,177.70/220,126.50
  6. Step 6: Final answer
    x = 164,943.83

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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.