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Finding the Fourth Proportional to 161,511.66, 242,250.48 and 43,194.96

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Solution

The fourth proportional to 161,511.66, 242,250.48 and 43,194.96 is: 64,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,511.66 : 242,250.48 = 43,194.96 : x
  2. Step 2: Convert to fraction form
    161,511.66/242,250.48 = 43,194.96/x
  3. Step 3: Cross multiply
    161,511.66x = 242,250.48 × 43,194.96
  4. Step 4: Simplify right side
    161,511.66x = 10,463,999,793.58
  5. Step 5: Solve for x
    x = 10,463,999,793.58/161,511.66
  6. Step 6: Final answer
    x = 64,787.89

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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.