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Finding the Fourth Proportional to 223,578.55, 335,331.37 and 65,770.09

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Solution

The fourth proportional to 223,578.55, 335,331.37 and 65,770.09 is: 98,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,578.55 : 335,331.37 = 65,770.09 : x
  2. Step 2: Convert to fraction form
    223,578.55/335,331.37 = 65,770.09/x
  3. Step 3: Cross multiply
    223,578.55x = 335,331.37 × 65,770.09
  4. Step 4: Simplify right side
    223,578.55x = 22,054,774,384.72
  5. Step 5: Solve for x
    x = 22,054,774,384.72/223,578.55
  6. Step 6: Final answer
    x = 98,644.41

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1.5x scale

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.