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Finding the Fourth Proportional to 192,256.86, 288,340.92 and 57,293.46

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Solution

The fourth proportional to 192,256.86, 288,340.92 and 57,293.46 is: 85,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,256.86 : 288,340.92 = 57,293.46 : x
  2. Step 2: Convert to fraction form
    192,256.86/288,340.92 = 57,293.46/x
  3. Step 3: Cross multiply
    192,256.86x = 288,340.92 × 57,293.46
  4. Step 4: Simplify right side
    192,256.86x = 16,520,048,966.38
  5. Step 5: Solve for x
    x = 16,520,048,966.38/192,256.86
  6. Step 6: Final answer
    x = 85,926.97

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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.