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Finding the Fourth Proportional to 99,046.99, 148,553.25 and 45,734.44

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Solution

The fourth proportional to 99,046.99, 148,553.25 and 45,734.44 is: 68,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,046.99 : 148,553.25 = 45,734.44 : x
  2. Step 2: Convert to fraction form
    99,046.99/148,553.25 = 45,734.44/x
  3. Step 3: Cross multiply
    99,046.99x = 148,553.25 × 45,734.44
  4. Step 4: Simplify right side
    99,046.99x = 6,793,999,698.93
  5. Step 5: Solve for x
    x = 6,793,999,698.93/99,046.99
  6. Step 6: Final answer
    x = 68,593.70

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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.