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Finding the Fourth Proportional to 172,778.86, 259,167.24 and 44,695.16

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Solution

The fourth proportional to 172,778.86, 259,167.24 and 44,695.16 is: 67,042.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,778.86 : 259,167.24 = 44,695.16 : x
  2. Step 2: Convert to fraction form
    172,778.86/259,167.24 = 44,695.16/x
  3. Step 3: Cross multiply
    172,778.86x = 259,167.24 × 44,695.16
  4. Step 4: Simplify right side
    172,778.86x = 11,583,519,962.72
  5. Step 5: Solve for x
    x = 11,583,519,962.72/172,778.86
  6. Step 6: Final answer
    x = 67,042.46

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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.