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Finding the Fourth Proportional to 225,245.92, 337,946.16 and 85,044.64

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Solution

The fourth proportional to 225,245.92, 337,946.16 and 85,044.64 is: 127,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,245.92 : 337,946.16 = 85,044.64 : x
  2. Step 2: Convert to fraction form
    225,245.92/337,946.16 = 85,044.64/x
  3. Step 3: Cross multiply
    225,245.92x = 337,946.16 × 85,044.64
  4. Step 4: Simplify right side
    225,245.92x = 28,740,509,516.58
  5. Step 5: Solve for x
    x = 28,740,509,516.58/225,245.92
  6. Step 6: Final answer
    x = 127,596.14

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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.