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Finding the Fourth Proportional to 234,856.98, 352,304.43 and 66,378.63

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Solution

The fourth proportional to 234,856.98, 352,304.43 and 66,378.63 is: 99,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,856.98 : 352,304.43 = 66,378.63 : x
  2. Step 2: Convert to fraction form
    234,856.98/352,304.43 = 66,378.63/x
  3. Step 3: Cross multiply
    234,856.98x = 352,304.43 × 66,378.63
  4. Step 4: Simplify right side
    234,856.98x = 23,385,485,406.33
  5. Step 5: Solve for x
    x = 23,385,485,406.33/234,856.98
  6. Step 6: Final answer
    x = 99,573.30

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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.