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Finding the Fourth Proportional to 276,124.80, 414,138.61 and 73,723.42

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Solution

The fourth proportional to 276,124.80, 414,138.61 and 73,723.42 is: 110,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,124.80 : 414,138.61 = 73,723.42 : x
  2. Step 2: Convert to fraction form
    276,124.80/414,138.61 = 73,723.42/x
  3. Step 3: Cross multiply
    276,124.80x = 414,138.61 × 73,723.42
  4. Step 4: Simplify right side
    276,124.80x = 30,531,714,878.38
  5. Step 5: Solve for x
    x = 30,531,714,878.38/276,124.80
  6. Step 6: Final answer
    x = 110,572.16

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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.