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Finding the Fourth Proportional to 252,343.66, 348,174.37 and 143,439.43

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Solution

The fourth proportional to 252,343.66, 348,174.37 and 143,439.43 is: 197,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,343.66 : 348,174.37 = 143,439.43 : x
  2. Step 2: Convert to fraction form
    252,343.66/348,174.37 = 143,439.43/x
  3. Step 3: Cross multiply
    252,343.66x = 348,174.37 × 143,439.43
  4. Step 4: Simplify right side
    252,343.66x = 49,941,933,173.41
  5. Step 5: Solve for x
    x = 49,941,933,173.41/252,343.66
  6. Step 6: Final answer
    x = 197,912.38

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1.5x scale

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.