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Finding the Fourth Proportional to 171,383.52, 257,082.64 and 53,057.04

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Solution

The fourth proportional to 171,383.52, 257,082.64 and 53,057.04 is: 79,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,383.52 : 257,082.64 = 53,057.04 : x
  2. Step 2: Convert to fraction form
    171,383.52/257,082.64 = 53,057.04/x
  3. Step 3: Cross multiply
    171,383.52x = 257,082.64 × 53,057.04
  4. Step 4: Simplify right side
    171,383.52x = 13,640,043,913.79
  5. Step 5: Solve for x
    x = 13,640,043,913.79/171,383.52
  6. Step 6: Final answer
    x = 79,587.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.