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Finding the Fourth Proportional to 79,952.99, 119,907.59 and 30,029.22

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Solution

The fourth proportional to 79,952.99, 119,907.59 and 30,029.22 is: 45,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,952.99 : 119,907.59 = 30,029.22 : x
  2. Step 2: Convert to fraction form
    79,952.99/119,907.59 = 30,029.22/x
  3. Step 3: Cross multiply
    79,952.99x = 119,907.59 × 30,029.22
  4. Step 4: Simplify right side
    79,952.99x = 3,600,731,249.63
  5. Step 5: Solve for x
    x = 3,600,731,249.63/79,952.99
  6. Step 6: Final answer
    x = 45,035.61

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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.