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Finding the Fourth Proportional to 206,841.56, 310,160.16 and 121,473.83

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Solution

The fourth proportional to 206,841.56, 310,160.16 and 121,473.83 is: 182,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,841.56 : 310,160.16 = 121,473.83 : x
  2. Step 2: Convert to fraction form
    206,841.56/310,160.16 = 121,473.83/x
  3. Step 3: Cross multiply
    206,841.56x = 310,160.16 × 121,473.83
  4. Step 4: Simplify right side
    206,841.56x = 37,676,340,997.81
  5. Step 5: Solve for x
    x = 37,676,340,997.81/206,841.56
  6. Step 6: Final answer
    x = 182,150.73

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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.