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Finding the Fourth Proportional to 175,072.50, 262,608.75 and 43,744.50

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Solution

The fourth proportional to 175,072.50, 262,608.75 and 43,744.50 is: 65,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,072.50 : 262,608.75 = 43,744.50 : x
  2. Step 2: Convert to fraction form
    175,072.50/262,608.75 = 43,744.50/x
  3. Step 3: Cross multiply
    175,072.50x = 262,608.75 × 43,744.50
  4. Step 4: Simplify right side
    175,072.50x = 11,487,688,464.38
  5. Step 5: Solve for x
    x = 11,487,688,464.38/175,072.50
  6. Step 6: Final answer
    x = 65,616.75

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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.