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Finding the Fourth Proportional to 326,094.46, 489,175.20 and 112,861.96

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Solution

The fourth proportional to 326,094.46, 489,175.20 and 112,861.96 is: 169,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,094.46 : 489,175.20 = 112,861.96 : x
  2. Step 2: Convert to fraction form
    326,094.46/489,175.20 = 112,861.96/x
  3. Step 3: Cross multiply
    326,094.46x = 489,175.20 × 112,861.96
  4. Step 4: Simplify right side
    326,094.46x = 55,209,270,632.45
  5. Step 5: Solve for x
    x = 55,209,270,632.45/326,094.46
  6. Step 6: Final answer
    x = 169,304.54

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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.