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Finding the Fourth Proportional to 79,863.62, 119,677.10 and 32,421.01

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Solution

The fourth proportional to 79,863.62, 119,677.10 and 32,421.01 is: 48,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863.62 : 119,677.10 = 32,421.01 : x
  2. Step 2: Convert to fraction form
    79,863.62/119,677.10 = 32,421.01/x
  3. Step 3: Cross multiply
    79,863.62x = 119,677.10 × 32,421.01
  4. Step 4: Simplify right side
    79,863.62x = 3,880,052,218.97
  5. Step 5: Solve for x
    x = 3,880,052,218.97/79,863.62
  6. Step 6: Final answer
    x = 48,583.48

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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.