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Finding the Fourth Proportional to 206,635.86, 310,005.27 and 58,891.86

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Solution

The fourth proportional to 206,635.86, 310,005.27 and 58,891.86 is: 88,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,635.86 : 310,005.27 = 58,891.86 : x
  2. Step 2: Convert to fraction form
    206,635.86/310,005.27 = 58,891.86/x
  3. Step 3: Cross multiply
    206,635.86x = 310,005.27 × 58,891.86
  4. Step 4: Simplify right side
    206,635.86x = 18,256,786,960.10
  5. Step 5: Solve for x
    x = 18,256,786,960.10/206,635.86
  6. Step 6: Final answer
    x = 88,352.46

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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.