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Finding the Fourth Proportional to 205,630.30, 283,770.57 and 119,609.92

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Solution

The fourth proportional to 205,630.30, 283,770.57 and 119,609.92 is: 165,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,630.30 : 283,770.57 = 119,609.92 : x
  2. Step 2: Convert to fraction form
    205,630.30/283,770.57 = 119,609.92/x
  3. Step 3: Cross multiply
    205,630.30x = 283,770.57 × 119,609.92
  4. Step 4: Simplify right side
    205,630.30x = 33,941,775,176.05
  5. Step 5: Solve for x
    x = 33,941,775,176.05/205,630.30
  6. Step 6: Final answer
    x = 165,062.13

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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.