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Finding the Fourth Proportional to 207,368.44, 311,052.35 and 65,226.20

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Solution

The fourth proportional to 207,368.44, 311,052.35 and 65,226.20 is: 97,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,368.44 : 311,052.35 = 65,226.20 : x
  2. Step 2: Convert to fraction form
    207,368.44/311,052.35 = 65,226.20/x
  3. Step 3: Cross multiply
    207,368.44x = 311,052.35 × 65,226.20
  4. Step 4: Simplify right side
    207,368.44x = 20,288,761,399.37
  5. Step 5: Solve for x
    x = 20,288,761,399.37/207,368.44
  6. Step 6: Final answer
    x = 97,839.20

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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.