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Finding the Fourth Proportional to 276,380.51, 414,308.32 and 108,008.84

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Solution

The fourth proportional to 276,380.51, 414,308.32 and 108,008.84 is: 161,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,380.51 : 414,308.32 = 108,008.84 : x
  2. Step 2: Convert to fraction form
    276,380.51/414,308.32 = 108,008.84/x
  3. Step 3: Cross multiply
    276,380.51x = 414,308.32 × 108,008.84
  4. Step 4: Simplify right side
    276,380.51x = 44,748,961,811.30
  5. Step 5: Solve for x
    x = 44,748,961,811.30/276,380.51
  6. Step 6: Final answer
    x = 161,910.70

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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.