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Finding the Fourth Proportional to 422,535.89, 633,826.92 and 106,995.53

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Solution

The fourth proportional to 422,535.89, 633,826.92 and 106,995.53 is: 160,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,535.89 : 633,826.92 = 106,995.53 : x
  2. Step 2: Convert to fraction form
    422,535.89/633,826.92 = 106,995.53/x
  3. Step 3: Cross multiply
    422,535.89x = 633,826.92 × 106,995.53
  4. Step 4: Simplify right side
    422,535.89x = 67,816,649,219.47
  5. Step 5: Solve for x
    x = 67,816,649,219.47/422,535.89
  6. Step 6: Final answer
    x = 160,499.14

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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.