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Finding the Fourth Proportional to 220,560.30, 304,364.43 and 119,958.30

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Solution

The fourth proportional to 220,560.30, 304,364.43 and 119,958.30 is: 165,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,560.30 : 304,364.43 = 119,958.30 : x
  2. Step 2: Convert to fraction form
    220,560.30/304,364.43 = 119,958.30/x
  3. Step 3: Cross multiply
    220,560.30x = 304,364.43 × 119,958.30
  4. Step 4: Simplify right side
    220,560.30x = 36,511,039,603.27
  5. Step 5: Solve for x
    x = 36,511,039,603.27/220,560.30
  6. Step 6: Final answer
    x = 165,537.68

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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.