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Finding the Fourth Proportional to 234,796.96, 352,189.14 and 66,328.90

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Solution

The fourth proportional to 234,796.96, 352,189.14 and 66,328.90 is: 99,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,796.96 : 352,189.14 = 66,328.90 : x
  2. Step 2: Convert to fraction form
    234,796.96/352,189.14 = 66,328.90/x
  3. Step 3: Cross multiply
    234,796.96x = 352,189.14 × 66,328.90
  4. Step 4: Simplify right side
    234,796.96x = 23,360,318,248.15
  5. Step 5: Solve for x
    x = 23,360,318,248.15/234,796.96
  6. Step 6: Final answer
    x = 99,491.57

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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.