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Finding the Fourth Proportional to 206,921.80, 310,599.88 and 183,379.96

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Solution

The fourth proportional to 206,921.80, 310,599.88 and 183,379.96 is: 275,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,921.80 : 310,599.88 = 183,379.96 : x
  2. Step 2: Convert to fraction form
    206,921.80/310,599.88 = 183,379.96/x
  3. Step 3: Cross multiply
    206,921.80x = 310,599.88 × 183,379.96
  4. Step 4: Simplify right side
    206,921.80x = 56,957,793,570.40
  5. Step 5: Solve for x
    x = 56,957,793,570.40/206,921.80
  6. Step 6: Final answer
    x = 275,262.41

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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.