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Finding the Fourth Proportional to 171,796.01, 257,569.34 and 115,496.42

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Solution

The fourth proportional to 171,796.01, 257,569.34 and 115,496.42 is: 173,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,796.01 : 257,569.34 = 115,496.42 : x
  2. Step 2: Convert to fraction form
    171,796.01/257,569.34 = 115,496.42/x
  3. Step 3: Cross multiply
    171,796.01x = 257,569.34 × 115,496.42
  4. Step 4: Simplify right side
    171,796.01x = 29,748,334,806.43
  5. Step 5: Solve for x
    x = 29,748,334,806.43/171,796.01
  6. Step 6: Final answer
    x = 173,160.81

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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.