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Finding the Fourth Proportional to 201,789.04, 302,686.04 and 68,672.04

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Solution

The fourth proportional to 201,789.04, 302,686.04 and 68,672.04 is: 103,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,789.04 : 302,686.04 = 68,672.04 : x
  2. Step 2: Convert to fraction form
    201,789.04/302,686.04 = 68,672.04/x
  3. Step 3: Cross multiply
    201,789.04x = 302,686.04 × 68,672.04
  4. Step 4: Simplify right side
    201,789.04x = 20,786,067,846.32
  5. Step 5: Solve for x
    x = 20,786,067,846.32/201,789.04
  6. Step 6: Final answer
    x = 103,008.90

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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.