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Finding the Fourth Proportional to 283,411.27, 425,125.10 and 73,049.21

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Solution

The fourth proportional to 283,411.27, 425,125.10 and 73,049.21 is: 109,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,411.27 : 425,125.10 = 73,049.21 : x
  2. Step 2: Convert to fraction form
    283,411.27/425,125.10 = 73,049.21/x
  3. Step 3: Cross multiply
    283,411.27x = 425,125.10 × 73,049.21
  4. Step 4: Simplify right side
    283,411.27x = 31,055,052,357.39
  5. Step 5: Solve for x
    x = 31,055,052,357.39/283,411.27
  6. Step 6: Final answer
    x = 109,575.93

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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.