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Finding the Fourth Proportional to 206,625.03, 310,104.15 and 106,813.69

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Solution

The fourth proportional to 206,625.03, 310,104.15 and 106,813.69 is: 160,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,625.03 : 310,104.15 = 106,813.69 : x
  2. Step 2: Convert to fraction form
    206,625.03/310,104.15 = 106,813.69/x
  3. Step 3: Cross multiply
    206,625.03x = 310,104.15 × 106,813.69
  4. Step 4: Simplify right side
    206,625.03x = 33,123,367,370.00
  5. Step 5: Solve for x
    x = 33,123,367,370.00/206,625.03
  6. Step 6: Final answer
    x = 160,306.66

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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.