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Finding the Fourth Proportional to 234,695.07, 352,063.31 and 66,216.87

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Solution

The fourth proportional to 234,695.07, 352,063.31 and 66,216.87 is: 99,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,695.07 : 352,063.31 = 66,216.87 : x
  2. Step 2: Convert to fraction form
    234,695.07/352,063.31 = 66,216.87/x
  3. Step 3: Cross multiply
    234,695.07x = 352,063.31 × 66,216.87
  4. Step 4: Simplify right side
    234,695.07x = 23,312,530,098.96
  5. Step 5: Solve for x
    x = 23,312,530,098.96/234,695.07
  6. Step 6: Final answer
    x = 99,331.15

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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.