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Finding the Fourth Proportional to 276,095.52, 414,143.28 and 89,134.56

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Solution

The fourth proportional to 276,095.52, 414,143.28 and 89,134.56 is: 133,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,095.52 : 414,143.28 = 89,134.56 : x
  2. Step 2: Convert to fraction form
    276,095.52/414,143.28 = 89,134.56/x
  3. Step 3: Cross multiply
    276,095.52x = 414,143.28 × 89,134.56
  4. Step 4: Simplify right side
    276,095.52x = 36,914,479,039.76
  5. Step 5: Solve for x
    x = 36,914,479,039.76/276,095.52
  6. Step 6: Final answer
    x = 133,701.84

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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.