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Finding the Fourth Proportional to 172,393.25, 258,589.91 and 47,734.25

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Solution

The fourth proportional to 172,393.25, 258,589.91 and 47,734.25 is: 71,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,393.25 : 258,589.91 = 47,734.25 : x
  2. Step 2: Convert to fraction form
    172,393.25/258,589.91 = 47,734.25/x
  3. Step 3: Cross multiply
    172,393.25x = 258,589.91 × 47,734.25
  4. Step 4: Simplify right side
    172,393.25x = 12,343,594,237.80
  5. Step 5: Solve for x
    x = 12,343,594,237.80/172,393.25
  6. Step 6: Final answer
    x = 71,601.38

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1.5x scale

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.