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Finding the Fourth Proportional to 228,596.27, 315,459.29 and 125,229.65

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Solution

The fourth proportional to 228,596.27, 315,459.29 and 125,229.65 is: 172,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,596.27 : 315,459.29 = 125,229.65 : x
  2. Step 2: Convert to fraction form
    228,596.27/315,459.29 = 125,229.65/x
  3. Step 3: Cross multiply
    228,596.27x = 315,459.29 × 125,229.65
  4. Step 4: Simplify right side
    228,596.27x = 39,504,855,211.73
  5. Step 5: Solve for x
    x = 39,504,855,211.73/228,596.27
  6. Step 6: Final answer
    x = 172,814.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.