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Finding the Fourth Proportional to 79,949.99, 119,903.09 and 30,026.22

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Solution

The fourth proportional to 79,949.99, 119,903.09 and 30,026.22 is: 45,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,949.99 : 119,903.09 = 30,026.22 : x
  2. Step 2: Convert to fraction form
    79,949.99/119,903.09 = 30,026.22/x
  3. Step 3: Cross multiply
    79,949.99x = 119,903.09 × 30,026.22
  4. Step 4: Simplify right side
    79,949.99x = 3,600,236,408.89
  5. Step 5: Solve for x
    x = 3,600,236,408.89/79,949.99
  6. Step 6: Final answer
    x = 45,031.11

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1.5x scale

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.