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Finding the Fourth Proportional to 302,471.74, 453,601.89 and 89,183.05

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Solution

The fourth proportional to 302,471.74, 453,601.89 and 89,183.05 is: 133,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,471.74 : 453,601.89 = 89,183.05 : x
  2. Step 2: Convert to fraction form
    302,471.74/453,601.89 = 89,183.05/x
  3. Step 3: Cross multiply
    302,471.74x = 453,601.89 × 89,183.05
  4. Step 4: Simplify right side
    302,471.74x = 40,453,600,035.96
  5. Step 5: Solve for x
    x = 40,453,600,035.96/302,471.74
  6. Step 6: Final answer
    x = 133,743.40

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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.