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Finding the Fourth Proportional to 202,920.80, 304,446.12 and 84,604.64

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Solution

The fourth proportional to 202,920.80, 304,446.12 and 84,604.64 is: 126,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,920.80 : 304,446.12 = 84,604.64 : x
  2. Step 2: Convert to fraction form
    202,920.80/304,446.12 = 84,604.64/x
  3. Step 3: Cross multiply
    202,920.80x = 304,446.12 × 84,604.64
  4. Step 4: Simplify right side
    202,920.80x = 25,757,554,382.00
  5. Step 5: Solve for x
    x = 25,757,554,382.00/202,920.80
  6. Step 6: Final answer
    x = 126,934.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.