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Finding the Fourth Proportional to 115,193.39, 172,819.25 and 32,087.39

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Solution

The fourth proportional to 115,193.39, 172,819.25 and 32,087.39 is: 48,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,193.39 : 172,819.25 = 32,087.39 : x
  2. Step 2: Convert to fraction form
    115,193.39/172,819.25 = 32,087.39/x
  3. Step 3: Cross multiply
    115,193.39x = 172,819.25 × 32,087.39
  4. Step 4: Simplify right side
    115,193.39x = 5,545,318,651.91
  5. Step 5: Solve for x
    x = 5,545,318,651.91/115,193.39
  6. Step 6: Final answer
    x = 48,139.21

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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.