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Finding the Fourth Proportional to 171,431.57, 257,164.26 and 59,097.01

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Solution

The fourth proportional to 171,431.57, 257,164.26 and 59,097.01 is: 88,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,431.57 : 257,164.26 = 59,097.01 : x
  2. Step 2: Convert to fraction form
    171,431.57/257,164.26 = 59,097.01/x
  3. Step 3: Cross multiply
    171,431.57x = 257,164.26 × 59,097.01
  4. Step 4: Simplify right side
    171,431.57x = 15,197,638,844.86
  5. Step 5: Solve for x
    x = 15,197,638,844.86/171,431.57
  6. Step 6: Final answer
    x = 88,651.34

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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.