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Finding the Fourth Proportional to 223,599.96, 335,399.94 and 65,828.43

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Solution

The fourth proportional to 223,599.96, 335,399.94 and 65,828.43 is: 98,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,599.96 : 335,399.94 = 65,828.43 : x
  2. Step 2: Convert to fraction form
    223,599.96/335,399.94 = 65,828.43/x
  3. Step 3: Cross multiply
    223,599.96x = 335,399.94 × 65,828.43
  4. Step 4: Simplify right side
    223,599.96x = 22,078,851,472.29
  5. Step 5: Solve for x
    x = 22,078,851,472.29/223,599.96
  6. Step 6: Final answer
    x = 98,742.65

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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.