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Finding the Fourth Proportional to 172,225.44, 258,352.92 and 47,566.44

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Solution

The fourth proportional to 172,225.44, 258,352.92 and 47,566.44 is: 71,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,225.44 : 258,352.92 = 47,566.44 : x
  2. Step 2: Convert to fraction form
    172,225.44/258,352.92 = 47,566.44/x
  3. Step 3: Cross multiply
    172,225.44x = 258,352.92 × 47,566.44
  4. Step 4: Simplify right side
    172,225.44x = 12,288,928,668.00
  5. Step 5: Solve for x
    x = 12,288,928,668.00/172,225.44
  6. Step 6: Final answer
    x = 71,353.74

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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.