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Finding the Fourth Proportional to 226,495.40, 339,743.10 and 58,015.40

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Solution

The fourth proportional to 226,495.40, 339,743.10 and 58,015.40 is: 87,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,495.40 : 339,743.10 = 58,015.40 : x
  2. Step 2: Convert to fraction form
    226,495.40/339,743.10 = 58,015.40/x
  3. Step 3: Cross multiply
    226,495.40x = 339,743.10 × 58,015.40
  4. Step 4: Simplify right side
    226,495.40x = 19,710,331,843.74
  5. Step 5: Solve for x
    x = 19,710,331,843.74/226,495.40
  6. Step 6: Final answer
    x = 87,023.10

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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.