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Finding the Fourth Proportional to 114,301.86, 157,754.64 and 68,986.32

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Solution

The fourth proportional to 114,301.86, 157,754.64 and 68,986.32 is: 95,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,301.86 : 157,754.64 = 68,986.32 : x
  2. Step 2: Convert to fraction form
    114,301.86/157,754.64 = 68,986.32/x
  3. Step 3: Cross multiply
    114,301.86x = 157,754.64 × 68,986.32
  4. Step 4: Simplify right side
    114,301.86x = 10,882,912,076.52
  5. Step 5: Solve for x
    x = 10,882,912,076.52/114,301.86
  6. Step 6: Final answer
    x = 95,212.03

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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.