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Finding the Fourth Proportional to 235,792.96, 325,298.08 and 145,121.56

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Solution

The fourth proportional to 235,792.96, 325,298.08 and 145,121.56 is: 200,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,792.96 : 325,298.08 = 145,121.56 : x
  2. Step 2: Convert to fraction form
    235,792.96/325,298.08 = 145,121.56/x
  3. Step 3: Cross multiply
    235,792.96x = 325,298.08 × 145,121.56
  4. Step 4: Simplify right side
    235,792.96x = 47,207,764,834.60
  5. Step 5: Solve for x
    x = 47,207,764,834.60/235,792.96
  6. Step 6: Final answer
    x = 200,208.54

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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.