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Finding the Fourth Proportional to 175,041.70, 261,906.45 and 115,992.70

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Solution

The fourth proportional to 175,041.70, 261,906.45 and 115,992.70 is: 173,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,041.70 : 261,906.45 = 115,992.70 : x
  2. Step 2: Convert to fraction form
    175,041.70/261,906.45 = 115,992.70/x
  3. Step 3: Cross multiply
    175,041.70x = 261,906.45 × 115,992.70
  4. Step 4: Simplify right side
    175,041.70x = 30,379,236,282.92
  5. Step 5: Solve for x
    x = 30,379,236,282.92/175,041.70
  6. Step 6: Final answer
    x = 173,554.28

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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.