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Finding the Fourth Proportional to 283,717.92, 425,639.12 and 84,053.91

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Solution

The fourth proportional to 283,717.92, 425,639.12 and 84,053.91 is: 126,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,717.92 : 425,639.12 = 84,053.91 : x
  2. Step 2: Convert to fraction form
    283,717.92/425,639.12 = 84,053.91/x
  3. Step 3: Cross multiply
    283,717.92x = 425,639.12 × 84,053.91
  4. Step 4: Simplify right side
    283,717.92x = 35,776,632,284.96
  5. Step 5: Solve for x
    x = 35,776,632,284.96/283,717.92
  6. Step 6: Final answer
    x = 126,099.30

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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.