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Finding the Fourth Proportional to 234,819.72, 352,210.86 and 66,333.24

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Solution

The fourth proportional to 234,819.72, 352,210.86 and 66,333.24 is: 99,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,819.72 : 352,210.86 = 66,333.24 : x
  2. Step 2: Convert to fraction form
    234,819.72/352,210.86 = 66,333.24/x
  3. Step 3: Cross multiply
    234,819.72x = 352,210.86 × 66,333.24
  4. Step 4: Simplify right side
    234,819.72x = 23,363,287,506.99
  5. Step 5: Solve for x
    x = 23,363,287,506.99/234,819.72
  6. Step 6: Final answer
    x = 99,494.57

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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.