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Finding the Fourth Proportional to 276,156.10, 414,229.95 and 124,245.88

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Solution

The fourth proportional to 276,156.10, 414,229.95 and 124,245.88 is: 186,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,156.10 : 414,229.95 = 124,245.88 : x
  2. Step 2: Convert to fraction form
    276,156.10/414,229.95 = 124,245.88/x
  3. Step 3: Cross multiply
    276,156.10x = 414,229.95 × 124,245.88
  4. Step 4: Simplify right side
    276,156.10x = 51,466,364,660.11
  5. Step 5: Solve for x
    x = 51,466,364,660.11/276,156.10
  6. Step 6: Final answer
    x = 186,366.93

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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.