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Finding the Fourth Proportional to 203,092.12, 304,633.02 and 84,760.84

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Solution

The fourth proportional to 203,092.12, 304,633.02 and 84,760.84 is: 127,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,092.12 : 304,633.02 = 84,760.84 : x
  2. Step 2: Convert to fraction form
    203,092.12/304,633.02 = 84,760.84/x
  3. Step 3: Cross multiply
    203,092.12x = 304,633.02 × 84,760.84
  4. Step 4: Simplify right side
    203,092.12x = 25,820,950,666.94
  5. Step 5: Solve for x
    x = 25,820,950,666.94/203,092.12
  6. Step 6: Final answer
    x = 127,139.11

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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.