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Finding the Fourth Proportional to 84,325.91, 126,451.71 and 44,873.64

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Solution

The fourth proportional to 84,325.91, 126,451.71 and 44,873.64 is: 67,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,325.91 : 126,451.71 = 44,873.64 : x
  2. Step 2: Convert to fraction form
    84,325.91/126,451.71 = 44,873.64/x
  3. Step 3: Cross multiply
    84,325.91x = 126,451.71 × 44,873.64
  4. Step 4: Simplify right side
    84,325.91x = 5,674,348,511.92
  5. Step 5: Solve for x
    x = 5,674,348,511.92/84,325.91
  6. Step 6: Final answer
    x = 67,290.69

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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.