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Finding the Fourth Proportional to 273,031.25, 409,519.20 and 73,325.69

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Solution

The fourth proportional to 273,031.25, 409,519.20 and 73,325.69 is: 109,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,031.25 : 409,519.20 = 73,325.69 : x
  2. Step 2: Convert to fraction form
    273,031.25/409,519.20 = 73,325.69/x
  3. Step 3: Cross multiply
    273,031.25x = 409,519.20 × 73,325.69
  4. Step 4: Simplify right side
    273,031.25x = 30,028,277,908.25
  5. Step 5: Solve for x
    x = 30,028,277,908.25/273,031.25
  6. Step 6: Final answer
    x = 109,981.10

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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.