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Finding the Fourth Proportional to 201,709.77, 302,592.39 and 68,554.29

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Solution

The fourth proportional to 201,709.77, 302,592.39 and 68,554.29 is: 102,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,709.77 : 302,592.39 = 68,554.29 : x
  2. Step 2: Convert to fraction form
    201,709.77/302,592.39 = 68,554.29/x
  3. Step 3: Cross multiply
    201,709.77x = 302,592.39 × 68,554.29
  4. Step 4: Simplify right side
    201,709.77x = 20,744,006,455.85
  5. Step 5: Solve for x
    x = 20,744,006,455.85/201,709.77
  6. Step 6: Final answer
    x = 102,840.86

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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.