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Finding the Fourth Proportional to 442,378.88, 663,568.84 and 109,954.88

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Solution

The fourth proportional to 442,378.88, 663,568.84 and 109,954.88 is: 164,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,378.88 : 663,568.84 = 109,954.88 : x
  2. Step 2: Convert to fraction form
    442,378.88/663,568.84 = 109,954.88/x
  3. Step 3: Cross multiply
    442,378.88x = 663,568.84 × 109,954.88
  4. Step 4: Simplify right side
    442,378.88x = 72,962,632,173.94
  5. Step 5: Solve for x
    x = 72,962,632,173.94/442,378.88
  6. Step 6: Final answer
    x = 164,932.45

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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.