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Finding the Fourth Proportional to 114,273.75, 157,697.79 and 69,561.75

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Solution

The fourth proportional to 114,273.75, 157,697.79 and 69,561.75 is: 95,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,273.75 : 157,697.79 = 69,561.75 : x
  2. Step 2: Convert to fraction form
    114,273.75/157,697.79 = 69,561.75/x
  3. Step 3: Cross multiply
    114,273.75x = 157,697.79 × 69,561.75
  4. Step 4: Simplify right side
    114,273.75x = 10,969,734,243.53
  5. Step 5: Solve for x
    x = 10,969,734,243.53/114,273.75
  6. Step 6: Final answer
    x = 95,995.22

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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.