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Finding the Fourth Proportional to 171,466.64, 257,273.44 and 88,418.96

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Solution

The fourth proportional to 171,466.64, 257,273.44 and 88,418.96 is: 132,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,466.64 : 257,273.44 = 88,418.96 : x
  2. Step 2: Convert to fraction form
    171,466.64/257,273.44 = 88,418.96/x
  3. Step 3: Cross multiply
    171,466.64x = 257,273.44 × 88,418.96
  4. Step 4: Simplify right side
    171,466.64x = 22,747,850,000.42
  5. Step 5: Solve for x
    x = 22,747,850,000.42/171,466.64
  6. Step 6: Final answer
    x = 132,666.33

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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.