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Finding the Fourth Proportional to 220,179.84, 303,847.92 and 119,577.12

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Solution

The fourth proportional to 220,179.84, 303,847.92 and 119,577.12 is: 165,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,179.84 : 303,847.92 = 119,577.12 : x
  2. Step 2: Convert to fraction form
    220,179.84/303,847.92 = 119,577.12/x
  3. Step 3: Cross multiply
    220,179.84x = 303,847.92 × 119,577.12
  4. Step 4: Simplify right side
    220,179.84x = 36,333,259,191.59
  5. Step 5: Solve for x
    x = 36,333,259,191.59/220,179.84
  6. Step 6: Final answer
    x = 165,016.28

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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.