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Finding the Fourth Proportional to 226,642.80, 339,668.48 and 93,388.88

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Solution

The fourth proportional to 226,642.80, 339,668.48 and 93,388.88 is: 139,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,642.80 : 339,668.48 = 93,388.88 : x
  2. Step 2: Convert to fraction form
    226,642.80/339,668.48 = 93,388.88/x
  3. Step 3: Cross multiply
    226,642.80x = 339,668.48 × 93,388.88
  4. Step 4: Simplify right side
    226,642.80x = 31,721,258,918.50
  5. Step 5: Solve for x
    x = 31,721,258,918.50/226,642.80
  6. Step 6: Final answer
    x = 139,961.47

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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.