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Finding the Fourth Proportional to 283,892.68, 425,952.62 and 115,425.96

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Solution

The fourth proportional to 283,892.68, 425,952.62 and 115,425.96 is: 173,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,892.68 : 425,952.62 = 115,425.96 : x
  2. Step 2: Convert to fraction form
    283,892.68/425,952.62 = 115,425.96/x
  3. Step 3: Cross multiply
    283,892.68x = 425,952.62 × 115,425.96
  4. Step 4: Simplify right side
    283,892.68x = 49,165,990,078.02
  5. Step 5: Solve for x
    x = 49,165,990,078.02/283,892.68
  6. Step 6: Final answer
    x = 173,185.13

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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.