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Finding the Fourth Proportional to 132,625.29, 198,940.02 and 73,834.63

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Solution

The fourth proportional to 132,625.29, 198,940.02 and 73,834.63 is: 110,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,625.29 : 198,940.02 = 73,834.63 : x
  2. Step 2: Convert to fraction form
    132,625.29/198,940.02 = 73,834.63/x
  3. Step 3: Cross multiply
    132,625.29x = 198,940.02 × 73,834.63
  4. Step 4: Simplify right side
    132,625.29x = 14,688,662,768.89
  5. Step 5: Solve for x
    x = 14,688,662,768.89/132,625.29
  6. Step 6: Final answer
    x = 110,753.11

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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.