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Finding the Fourth Proportional to 273,031.01, 409,518.83 and 73,325.44

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Solution

The fourth proportional to 273,031.01, 409,518.83 and 73,325.44 is: 109,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,031.01 : 409,518.83 = 73,325.44 : x
  2. Step 2: Convert to fraction form
    273,031.01/409,518.83 = 73,325.44/x
  3. Step 3: Cross multiply
    273,031.01x = 409,518.83 × 73,325.44
  4. Step 4: Simplify right side
    273,031.01x = 30,028,147,007.61
  5. Step 5: Solve for x
    x = 30,028,147,007.61/273,031.01
  6. Step 6: Final answer
    x = 109,980.72

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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.