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Finding the Fourth Proportional to 276,065.68, 414,195.72 and 135,922.72

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Solution

The fourth proportional to 276,065.68, 414,195.72 and 135,922.72 is: 203,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,065.68 : 414,195.72 = 135,922.72 : x
  2. Step 2: Convert to fraction form
    276,065.68/414,195.72 = 135,922.72/x
  3. Step 3: Cross multiply
    276,065.68x = 414,195.72 × 135,922.72
  4. Step 4: Simplify right side
    276,065.68x = 56,298,608,874.76
  5. Step 5: Solve for x
    x = 56,298,608,874.76/276,065.68
  6. Step 6: Final answer
    x = 203,931.94

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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.