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Finding the Fourth Proportional to 223,578.80, 335,331.74 and 65,770.35

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Solution

The fourth proportional to 223,578.80, 335,331.74 and 65,770.35 is: 98,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,578.80 : 335,331.74 = 65,770.35 : x
  2. Step 2: Convert to fraction form
    223,578.80/335,331.74 = 65,770.35/x
  3. Step 3: Cross multiply
    223,578.80x = 335,331.74 × 65,770.35
  4. Step 4: Simplify right side
    223,578.80x = 22,054,885,577.06
  5. Step 5: Solve for x
    x = 22,054,885,577.06/223,578.80
  6. Step 6: Final answer
    x = 98,644.80

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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.