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Finding the Fourth Proportional to 234,969.48, 352,472.76 and 66,487.14

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Solution

The fourth proportional to 234,969.48, 352,472.76 and 66,487.14 is: 99,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,969.48 : 352,472.76 = 66,487.14 : x
  2. Step 2: Convert to fraction form
    234,969.48/352,472.76 = 66,487.14/x
  3. Step 3: Cross multiply
    234,969.48x = 352,472.76 × 66,487.14
  4. Step 4: Simplify right side
    234,969.48x = 23,434,905,740.31
  5. Step 5: Solve for x
    x = 23,434,905,740.31/234,969.48
  6. Step 6: Final answer
    x = 99,735.96

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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.