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Finding the Fourth Proportional to 269,991.60, 372,524.76 and 156,747.12

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Solution

The fourth proportional to 269,991.60, 372,524.76 and 156,747.12 is: 216,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,991.60 : 372,524.76 = 156,747.12 : x
  2. Step 2: Convert to fraction form
    269,991.60/372,524.76 = 156,747.12/x
  3. Step 3: Cross multiply
    269,991.60x = 372,524.76 × 156,747.12
  4. Step 4: Simplify right side
    269,991.60x = 58,392,183,258.69
  5. Step 5: Solve for x
    x = 58,392,183,258.69/269,991.60
  6. Step 6: Final answer
    x = 216,274.07

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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.