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Finding the Fourth Proportional to 219,933.66, 303,504.66 and 133,861.44

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Solution

The fourth proportional to 219,933.66, 303,504.66 and 133,861.44 is: 184,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,933.66 : 303,504.66 = 133,861.44 : x
  2. Step 2: Convert to fraction form
    219,933.66/303,504.66 = 133,861.44/x
  3. Step 3: Cross multiply
    219,933.66x = 303,504.66 × 133,861.44
  4. Step 4: Simplify right side
    219,933.66x = 40,627,570,834.31
  5. Step 5: Solve for x
    x = 40,627,570,834.31/219,933.66
  6. Step 6: Final answer
    x = 184,726.48

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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.