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Finding the Fourth Proportional to 234,864.66, 352,296.04 and 85,069.89

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Solution

The fourth proportional to 234,864.66, 352,296.04 and 85,069.89 is: 127,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,864.66 : 352,296.04 = 85,069.89 : x
  2. Step 2: Convert to fraction form
    234,864.66/352,296.04 = 85,069.89/x
  3. Step 3: Cross multiply
    234,864.66x = 352,296.04 × 85,069.89
  4. Step 4: Simplify right side
    234,864.66x = 29,969,785,157.56
  5. Step 5: Solve for x
    x = 29,969,785,157.56/234,864.66
  6. Step 6: Final answer
    x = 127,604.49

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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.