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Finding the Fourth Proportional to 235,876.96, 325,457.52 and 197,790.56

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Solution

The fourth proportional to 235,876.96, 325,457.52 and 197,790.56 is: 272,906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,876.96 : 325,457.52 = 197,790.56 : x
  2. Step 2: Convert to fraction form
    235,876.96/325,457.52 = 197,790.56/x
  3. Step 3: Cross multiply
    235,876.96x = 325,457.52 × 197,790.56
  4. Step 4: Simplify right side
    235,876.96x = 64,372,425,137.01
  5. Step 5: Solve for x
    x = 64,372,425,137.01/235,876.96
  6. Step 6: Final answer
    x = 272,906.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.