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Finding the Fourth Proportional to 276,652.60, 414,881.70 and 126,964.60

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Solution

The fourth proportional to 276,652.60, 414,881.70 and 126,964.60 is: 190,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,652.60 : 414,881.70 = 126,964.60 : x
  2. Step 2: Convert to fraction form
    276,652.60/414,881.70 = 126,964.60/x
  3. Step 3: Cross multiply
    276,652.60x = 414,881.70 × 126,964.60
  4. Step 4: Simplify right side
    276,652.60x = 52,675,289,087.82
  5. Step 5: Solve for x
    x = 52,675,289,087.82/276,652.60
  6. Step 6: Final answer
    x = 190,402.29

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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.