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Finding the Fourth Proportional to 89,073.63, 133,625.34 and 32,913.90

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Solution

The fourth proportional to 89,073.63, 133,625.34 and 32,913.90 is: 49,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,073.63 : 133,625.34 = 32,913.90 : x
  2. Step 2: Convert to fraction form
    89,073.63/133,625.34 = 32,913.90/x
  3. Step 3: Cross multiply
    89,073.63x = 133,625.34 × 32,913.90
  4. Step 4: Simplify right side
    89,073.63x = 4,398,131,078.23
  5. Step 5: Solve for x
    x = 4,398,131,078.23/89,073.63
  6. Step 6: Final answer
    x = 49,376.35

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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.