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Finding the Fourth Proportional to 283,680.56, 425,531.64 and 106,168.88

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Solution

The fourth proportional to 283,680.56, 425,531.64 and 106,168.88 is: 159,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,680.56 : 425,531.64 = 106,168.88 : x
  2. Step 2: Convert to fraction form
    283,680.56/425,531.64 = 106,168.88/x
  3. Step 3: Cross multiply
    283,680.56x = 425,531.64 × 106,168.88
  4. Step 4: Simplify right side
    283,680.56x = 45,178,217,623.36
  5. Step 5: Solve for x
    x = 45,178,217,623.36/283,680.56
  6. Step 6: Final answer
    x = 159,257.36

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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.