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Finding the Fourth Proportional to 234,699.82, 352,070.44 and 66,221.62

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Solution

The fourth proportional to 234,699.82, 352,070.44 and 66,221.62 is: 99,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,699.82 : 352,070.44 = 66,221.62 : x
  2. Step 2: Convert to fraction form
    234,699.82/352,070.44 = 66,221.62/x
  3. Step 3: Cross multiply
    234,699.82x = 352,070.44 × 66,221.62
  4. Step 4: Simplify right side
    234,699.82x = 23,314,674,890.91
  5. Step 5: Solve for x
    x = 23,314,674,890.91/234,699.82
  6. Step 6: Final answer
    x = 99,338.27

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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.