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Finding the Fourth Proportional to 276,677.60, 381,829.29 and 169,213.88

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Solution

The fourth proportional to 276,677.60, 381,829.29 and 169,213.88 is: 233,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,677.60 : 381,829.29 = 169,213.88 : x
  2. Step 2: Convert to fraction form
    276,677.60/381,829.29 = 169,213.88/x
  3. Step 3: Cross multiply
    276,677.60x = 381,829.29 × 169,213.88
  4. Step 4: Simplify right side
    276,677.60x = 64,610,813,749.40
  5. Step 5: Solve for x
    x = 64,610,813,749.40/276,677.60
  6. Step 6: Final answer
    x = 233,523.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.