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Finding the Fourth Proportional to 234,874.80, 352,293.48 and 66,388.32

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Solution

The fourth proportional to 234,874.80, 352,293.48 and 66,388.32 is: 99,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,874.80 : 352,293.48 = 66,388.32 : x
  2. Step 2: Convert to fraction form
    234,874.80/352,293.48 = 66,388.32/x
  3. Step 3: Cross multiply
    234,874.80x = 352,293.48 × 66,388.32
  4. Step 4: Simplify right side
    234,874.80x = 23,388,172,284.15
  5. Step 5: Solve for x
    x = 23,388,172,284.15/234,874.80
  6. Step 6: Final answer
    x = 99,577.19

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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.