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Finding the Fourth Proportional to 276,518.39, 414,843.19 and 89,529.89

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Solution

The fourth proportional to 276,518.39, 414,843.19 and 89,529.89 is: 134,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,518.39 : 414,843.19 = 89,529.89 : x
  2. Step 2: Convert to fraction form
    276,518.39/414,843.19 = 89,529.89/x
  3. Step 3: Cross multiply
    276,518.39x = 414,843.19 × 89,529.89
  4. Step 4: Simplify right side
    276,518.39x = 37,140,862,869.91
  5. Step 5: Solve for x
    x = 37,140,862,869.91/276,518.39
  6. Step 6: Final answer
    x = 134,316.07

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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.