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Finding the Fourth Proportional to 206,634, 310,003.02 and 58,890

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Solution

The fourth proportional to 206,634, 310,003.02 and 58,890 is: 88,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,634 : 310,003.02 = 58,890 : x
  2. Step 2: Convert to fraction form
    206,634/310,003.02 = 58,890/x
  3. Step 3: Cross multiply
    206,634x = 310,003.02 × 58,890
  4. Step 4: Simplify right side
    206,634x = 18,256,077,847.80
  5. Step 5: Solve for x
    x = 18,256,077,847.80/206,634
  6. Step 6: Final answer
    x = 88,349.83

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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.