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Finding the Fourth Proportional to 171,129.86, 256,675.16 and 44,782.34

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Solution

The fourth proportional to 171,129.86, 256,675.16 and 44,782.34 is: 67,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,129.86 : 256,675.16 = 44,782.34 : x
  2. Step 2: Convert to fraction form
    171,129.86/256,675.16 = 44,782.34/x
  3. Step 3: Cross multiply
    171,129.86x = 256,675.16 × 44,782.34
  4. Step 4: Simplify right side
    171,129.86x = 11,494,514,284.67
  5. Step 5: Solve for x
    x = 11,494,514,284.67/171,129.86
  6. Step 6: Final answer
    x = 67,168.37

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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.