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Finding the Fourth Proportional to 169,334.40, 253,742.40 and 160,003.20

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Solution

The fourth proportional to 169,334.40, 253,742.40 and 160,003.20 is: 239,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,334.40 : 253,742.40 = 160,003.20 : x
  2. Step 2: Convert to fraction form
    169,334.40/253,742.40 = 160,003.20/x
  3. Step 3: Cross multiply
    169,334.40x = 253,742.40 × 160,003.20
  4. Step 4: Simplify right side
    169,334.40x = 40,599,595,975.68
  5. Step 5: Solve for x
    x = 40,599,595,975.68/169,334.40
  6. Step 6: Final answer
    x = 239,759.88

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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.