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Finding the Fourth Proportional to 79,732.91, 119,582.93 and 35,331.34

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Solution

The fourth proportional to 79,732.91, 119,582.93 and 35,331.34 is: 52,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,732.91 : 119,582.93 = 35,331.34 : x
  2. Step 2: Convert to fraction form
    79,732.91/119,582.93 = 35,331.34/x
  3. Step 3: Cross multiply
    79,732.91x = 119,582.93 × 35,331.34
  4. Step 4: Simplify right side
    79,732.91x = 4,225,025,171.62
  5. Step 5: Solve for x
    x = 4,225,025,171.62/79,732.91
  6. Step 6: Final answer
    x = 52,989.73

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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.