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Finding the Fourth Proportional to 226,603.86, 339,599.58 and 86,285.94

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Solution

The fourth proportional to 226,603.86, 339,599.58 and 86,285.94 is: 129,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,603.86 : 339,599.58 = 86,285.94 : x
  2. Step 2: Convert to fraction form
    226,603.86/339,599.58 = 86,285.94/x
  3. Step 3: Cross multiply
    226,603.86x = 339,599.58 × 86,285.94
  4. Step 4: Simplify right side
    226,603.86x = 29,302,668,983.91
  5. Step 5: Solve for x
    x = 29,302,668,983.91/226,603.86
  6. Step 6: Final answer
    x = 129,312.31

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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.