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Finding the Fourth Proportional to 69,362.78, 95,723.51 and 43,859.93

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Solution

The fourth proportional to 69,362.78, 95,723.51 and 43,859.93 is: 60,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,362.78 : 95,723.51 = 43,859.93 : x
  2. Step 2: Convert to fraction form
    69,362.78/95,723.51 = 43,859.93/x
  3. Step 3: Cross multiply
    69,362.78x = 95,723.51 × 43,859.93
  4. Step 4: Simplify right side
    69,362.78x = 4,198,425,750.04
  5. Step 5: Solve for x
    x = 4,198,425,750.04/69,362.78
  6. Step 6: Final answer
    x = 60,528.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.