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Finding the Fourth Proportional to 226,386.92, 339,463.74 and 101,621

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Solution

The fourth proportional to 226,386.92, 339,463.74 and 101,621 is: 152,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,386.92 : 339,463.74 = 101,621 : x
  2. Step 2: Convert to fraction form
    226,386.92/339,463.74 = 101,621/x
  3. Step 3: Cross multiply
    226,386.92x = 339,463.74 × 101,621
  4. Step 4: Simplify right side
    226,386.92x = 34,496,644,722.54
  5. Step 5: Solve for x
    x = 34,496,644,722.54/226,386.92
  6. Step 6: Final answer
    x = 152,379.14

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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.