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Finding the Fourth Proportional to 234,855.96, 352,302.92 and 66,377.64

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Solution

The fourth proportional to 234,855.96, 352,302.92 and 66,377.64 is: 99,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,855.96 : 352,302.92 = 66,377.64 : x
  2. Step 2: Convert to fraction form
    234,855.96/352,302.92 = 66,377.64/x
  3. Step 3: Cross multiply
    234,855.96x = 352,302.92 × 66,377.64
  4. Step 4: Simplify right side
    234,855.96x = 23,385,036,394.71
  5. Step 5: Solve for x
    x = 23,385,036,394.71/234,855.96
  6. Step 6: Final answer
    x = 99,571.82

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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.