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Finding the Fourth Proportional to 114,375.20, 157,799.94 and 69,035.96

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Solution

The fourth proportional to 114,375.20, 157,799.94 and 69,035.96 is: 95,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,375.20 : 157,799.94 = 69,035.96 : x
  2. Step 2: Convert to fraction form
    114,375.20/157,799.94 = 69,035.96/x
  3. Step 3: Cross multiply
    114,375.20x = 157,799.94 × 69,035.96
  4. Step 4: Simplify right side
    114,375.20x = 10,893,869,556.84
  5. Step 5: Solve for x
    x = 10,893,869,556.84/114,375.20
  6. Step 6: Final answer
    x = 95,246.78

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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.