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Finding the Fourth Proportional to 161,169.98, 241,761.04 and 61,311.56

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Solution

The fourth proportional to 161,169.98, 241,761.04 and 61,311.56 is: 91,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,169.98 : 241,761.04 = 61,311.56 : x
  2. Step 2: Convert to fraction form
    161,169.98/241,761.04 = 61,311.56/x
  3. Step 3: Cross multiply
    161,169.98x = 241,761.04 × 61,311.56
  4. Step 4: Simplify right side
    161,169.98x = 14,822,746,509.62
  5. Step 5: Solve for x
    x = 14,822,746,509.62/161,169.98
  6. Step 6: Final answer
    x = 91,969.65

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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.