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Finding the Fourth Proportional to 226,508.40, 339,762.60 and 68,744.70

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Solution

The fourth proportional to 226,508.40, 339,762.60 and 68,744.70 is: 103,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,508.40 : 339,762.60 = 68,744.70 : x
  2. Step 2: Convert to fraction form
    226,508.40/339,762.60 = 68,744.70/x
  3. Step 3: Cross multiply
    226,508.40x = 339,762.60 × 68,744.70
  4. Step 4: Simplify right side
    226,508.40x = 23,356,878,008.22
  5. Step 5: Solve for x
    x = 23,356,878,008.22/226,508.40
  6. Step 6: Final answer
    x = 103,117.05

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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.