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Finding the Fourth Proportional to 194,992.92, 292,489.46 and 70,333.92

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Solution

The fourth proportional to 194,992.92, 292,489.46 and 70,333.92 is: 105,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,992.92 : 292,489.46 = 70,333.92 : x
  2. Step 2: Convert to fraction form
    194,992.92/292,489.46 = 70,333.92/x
  3. Step 3: Cross multiply
    194,992.92x = 292,489.46 × 70,333.92
  4. Step 4: Simplify right side
    194,992.92x = 20,571,930,280.48
  5. Step 5: Solve for x
    x = 20,571,930,280.48/194,992.92
  6. Step 6: Final answer
    x = 105,500.91

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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.