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Finding the Fourth Proportional to 273,014.40, 409,375.80 and 95,527.20

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Solution

The fourth proportional to 273,014.40, 409,375.80 and 95,527.20 is: 143,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,014.40 : 409,375.80 = 95,527.20 : x
  2. Step 2: Convert to fraction form
    273,014.40/409,375.80 = 95,527.20/x
  3. Step 3: Cross multiply
    273,014.40x = 409,375.80 × 95,527.20
  4. Step 4: Simplify right side
    273,014.40x = 39,106,523,921.76
  5. Step 5: Solve for x
    x = 39,106,523,921.76/273,014.40
  6. Step 6: Final answer
    x = 143,239.78

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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.