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Finding the Fourth Proportional to 161,310.80, 241,761.72 and 67,707.92

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Solution

The fourth proportional to 161,310.80, 241,761.72 and 67,707.92 is: 101,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,310.80 : 241,761.72 = 67,707.92 : x
  2. Step 2: Convert to fraction form
    161,310.80/241,761.72 = 67,707.92/x
  3. Step 3: Cross multiply
    161,310.80x = 241,761.72 × 67,707.92
  4. Step 4: Simplify right side
    161,310.80x = 16,369,183,196.82
  5. Step 5: Solve for x
    x = 16,369,183,196.82/161,310.80
  6. Step 6: Final answer
    x = 101,476.05

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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.