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Finding the Fourth Proportional to 223,668.80, 335,546.40 and 65,902.40

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Solution

The fourth proportional to 223,668.80, 335,546.40 and 65,902.40 is: 98,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,668.80 : 335,546.40 = 65,902.40 : x
  2. Step 2: Convert to fraction form
    223,668.80/335,546.40 = 65,902.40/x
  3. Step 3: Cross multiply
    223,668.80x = 335,546.40 × 65,902.40
  4. Step 4: Simplify right side
    223,668.80x = 22,113,313,071.36
  5. Step 5: Solve for x
    x = 22,113,313,071.36/223,668.80
  6. Step 6: Final answer
    x = 98,866.33

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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.