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Finding the Fourth Proportional to 302,255.10, 453,408.03 and 91,894.86

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Solution

The fourth proportional to 302,255.10, 453,408.03 and 91,894.86 is: 137,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,255.10 : 453,408.03 = 91,894.86 : x
  2. Step 2: Convert to fraction form
    302,255.10/453,408.03 = 91,894.86/x
  3. Step 3: Cross multiply
    302,255.10x = 453,408.03 × 91,894.86
  4. Step 4: Simplify right side
    302,255.10x = 41,665,867,439.73
  5. Step 5: Solve for x
    x = 41,665,867,439.73/302,255.10
  6. Step 6: Final answer
    x = 137,850.01

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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.