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Finding the Fourth Proportional to 114,256.92, 157,589.56 and 73,939.56

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Solution

The fourth proportional to 114,256.92, 157,589.56 and 73,939.56 is: 101,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,256.92 : 157,589.56 = 73,939.56 : x
  2. Step 2: Convert to fraction form
    114,256.92/157,589.56 = 73,939.56/x
  3. Step 3: Cross multiply
    114,256.92x = 157,589.56 × 73,939.56
  4. Step 4: Simplify right side
    114,256.92x = 11,652,102,726.99
  5. Step 5: Solve for x
    x = 11,652,102,726.99/114,256.92
  6. Step 6: Final answer
    x = 101,981.59

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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.