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Finding the Fourth Proportional to 79,409.82, 119,129.99 and 32,029.72

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Solution

The fourth proportional to 79,409.82, 119,129.99 and 32,029.72 is: 48,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,409.82 : 119,129.99 = 32,029.72 : x
  2. Step 2: Convert to fraction form
    79,409.82/119,129.99 = 32,029.72/x
  3. Step 3: Cross multiply
    79,409.82x = 119,129.99 × 32,029.72
  4. Step 4: Simplify right side
    79,409.82x = 3,815,700,223.30
  5. Step 5: Solve for x
    x = 3,815,700,223.30/79,409.82
  6. Step 6: Final answer
    x = 48,050.74

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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.