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Finding the Fourth Proportional to 235,793.96, 325,299.48 and 145,122.56

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Solution

The fourth proportional to 235,793.96, 325,299.48 and 145,122.56 is: 200,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,793.96 : 325,299.48 = 145,122.56 : x
  2. Step 2: Convert to fraction form
    235,793.96/325,299.48 = 145,122.56/x
  3. Step 3: Cross multiply
    235,793.96x = 325,299.48 × 145,122.56
  4. Step 4: Simplify right side
    235,793.96x = 47,208,293,304.27
  5. Step 5: Solve for x
    x = 47,208,293,304.27/235,793.96
  6. Step 6: Final answer
    x = 200,209.93

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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.