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Finding the Fourth Proportional to 220,185.19, 303,853.85 and 119,583.19

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Solution

The fourth proportional to 220,185.19, 303,853.85 and 119,583.19 is: 165,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,185.19 : 303,853.85 = 119,583.19 : x
  2. Step 2: Convert to fraction form
    220,185.19/303,853.85 = 119,583.19/x
  3. Step 3: Cross multiply
    220,185.19x = 303,853.85 × 119,583.19
  4. Step 4: Simplify right side
    220,185.19x = 36,335,812,676.78
  5. Step 5: Solve for x
    x = 36,335,812,676.78/220,185.19
  6. Step 6: Final answer
    x = 165,023.87

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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.