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Finding the Fourth Proportional to 132,522.86, 198,755.66 and 43,755.32

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Solution

The fourth proportional to 132,522.86, 198,755.66 and 43,755.32 is: 65,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,522.86 : 198,755.66 = 43,755.32 : x
  2. Step 2: Convert to fraction form
    132,522.86/198,755.66 = 43,755.32/x
  3. Step 3: Cross multiply
    132,522.86x = 198,755.66 × 43,755.32
  4. Step 4: Simplify right side
    132,522.86x = 8,696,616,620.72
  5. Step 5: Solve for x
    x = 8,696,616,620.72/132,522.86
  6. Step 6: Final answer
    x = 65,623.52

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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.