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Finding the Fourth Proportional to 339,202, 508,837.83 and 89,884

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Solution

The fourth proportional to 339,202, 508,837.83 and 89,884 is: 134,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,202 : 508,837.83 = 89,884 : x
  2. Step 2: Convert to fraction form
    339,202/508,837.83 = 89,884/x
  3. Step 3: Cross multiply
    339,202x = 508,837.83 × 89,884
  4. Step 4: Simplify right side
    339,202x = 45,736,379,511.72
  5. Step 5: Solve for x
    x = 45,736,379,511.72/339,202
  6. Step 6: Final answer
    x = 134,835.23

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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.