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Finding the Fourth Proportional to 283,685.56, 425,539.14 and 106,173.88

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Solution

The fourth proportional to 283,685.56, 425,539.14 and 106,173.88 is: 159,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,685.56 : 425,539.14 = 106,173.88 : x
  2. Step 2: Convert to fraction form
    283,685.56/425,539.14 = 106,173.88/x
  3. Step 3: Cross multiply
    283,685.56x = 425,539.14 × 106,173.88
  4. Step 4: Simplify right side
    283,685.56x = 45,181,141,585.66
  5. Step 5: Solve for x
    x = 45,181,141,585.66/283,685.56
  6. Step 6: Final answer
    x = 159,264.86

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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.