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Finding the Fourth Proportional to 171,653.64, 236,868.96 and 96,187.56

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Solution

The fourth proportional to 171,653.64, 236,868.96 and 96,187.56 is: 132,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,653.64 : 236,868.96 = 96,187.56 : x
  2. Step 2: Convert to fraction form
    171,653.64/236,868.96 = 96,187.56/x
  3. Step 3: Cross multiply
    171,653.64x = 236,868.96 × 96,187.56
  4. Step 4: Simplify right side
    171,653.64x = 22,783,847,302.14
  5. Step 5: Solve for x
    x = 22,783,847,302.14/171,653.64
  6. Step 6: Final answer
    x = 132,731.51

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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.