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Finding the Fourth Proportional to 234,820.77, 352,245.80 and 66,354

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Solution

The fourth proportional to 234,820.77, 352,245.80 and 66,354 is: 99,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,820.77 : 352,245.80 = 66,354 : x
  2. Step 2: Convert to fraction form
    234,820.77/352,245.80 = 66,354/x
  3. Step 3: Cross multiply
    234,820.77x = 352,245.80 × 66,354
  4. Step 4: Simplify right side
    234,820.77x = 23,372,917,813.20
  5. Step 5: Solve for x
    x = 23,372,917,813.20/234,820.77
  6. Step 6: Final answer
    x = 99,535.14

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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.