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Finding the Fourth Proportional to 276,503.28, 414,637.53 and 116,650.89

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Solution

The fourth proportional to 276,503.28, 414,637.53 and 116,650.89 is: 174,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,503.28 : 414,637.53 = 116,650.89 : x
  2. Step 2: Convert to fraction form
    276,503.28/414,637.53 = 116,650.89/x
  3. Step 3: Cross multiply
    276,503.28x = 414,637.53 × 116,650.89
  4. Step 4: Simplify right side
    276,503.28x = 48,367,836,901.90
  5. Step 5: Solve for x
    x = 48,367,836,901.90/276,503.28
  6. Step 6: Final answer
    x = 174,926.81

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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.