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Finding the Fourth Proportional to 276,586.35, 414,934.65 and 87,094.44

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Solution

The fourth proportional to 276,586.35, 414,934.65 and 87,094.44 is: 130,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,586.35 : 414,934.65 = 87,094.44 : x
  2. Step 2: Convert to fraction form
    276,586.35/414,934.65 = 87,094.44/x
  3. Step 3: Cross multiply
    276,586.35x = 414,934.65 × 87,094.44
  4. Step 4: Simplify right side
    276,586.35x = 36,138,500,978.35
  5. Step 5: Solve for x
    x = 36,138,500,978.35/276,586.35
  6. Step 6: Final answer
    x = 130,659.02

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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.