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Finding the Fourth Proportional to 273,211.04, 409,816.64 and 73,531.92

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Solution

The fourth proportional to 273,211.04, 409,816.64 and 73,531.92 is: 110,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,211.04 : 409,816.64 = 73,531.92 : x
  2. Step 2: Convert to fraction form
    273,211.04/409,816.64 = 73,531.92/x
  3. Step 3: Cross multiply
    273,211.04x = 409,816.64 × 73,531.92
  4. Step 4: Simplify right side
    273,211.04x = 30,134,604,387.15
  5. Step 5: Solve for x
    x = 30,134,604,387.15/273,211.04
  6. Step 6: Final answer
    x = 110,297.90

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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.