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Finding the Fourth Proportional to 114,581.72, 158,087.32 and 66,801.24

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Solution

The fourth proportional to 114,581.72, 158,087.32 and 66,801.24 is: 92,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,581.72 : 158,087.32 = 66,801.24 : x
  2. Step 2: Convert to fraction form
    114,581.72/158,087.32 = 66,801.24/x
  3. Step 3: Cross multiply
    114,581.72x = 158,087.32 × 66,801.24
  4. Step 4: Simplify right side
    114,581.72x = 10,560,429,004.28
  5. Step 5: Solve for x
    x = 10,560,429,004.28/114,581.72
  6. Step 6: Final answer
    x = 92,165.04

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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.