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Finding the Fourth Proportional to 237,859.64, 356,539.68 and 80,033.28

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Solution

The fourth proportional to 237,859.64, 356,539.68 and 80,033.28 is: 119,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,859.64 : 356,539.68 = 80,033.28 : x
  2. Step 2: Convert to fraction form
    237,859.64/356,539.68 = 80,033.28/x
  3. Step 3: Cross multiply
    237,859.64x = 356,539.68 × 80,033.28
  4. Step 4: Simplify right side
    237,859.64x = 28,535,040,040.55
  5. Step 5: Solve for x
    x = 28,535,040,040.55/237,859.64
  6. Step 6: Final answer
    x = 119,965.88

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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.