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Finding the Fourth Proportional to 483,744.60, 725,616.90 and 168,096.60

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Solution

The fourth proportional to 483,744.60, 725,616.90 and 168,096.60 is: 252,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,744.60 : 725,616.90 = 168,096.60 : x
  2. Step 2: Convert to fraction form
    483,744.60/725,616.90 = 168,096.60/x
  3. Step 3: Cross multiply
    483,744.60x = 725,616.90 × 168,096.60
  4. Step 4: Simplify right side
    483,744.60x = 121,973,733,792.54
  5. Step 5: Solve for x
    x = 121,973,733,792.54/483,744.60
  6. Step 6: Final answer
    x = 252,144.90

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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.