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Finding the Fourth Proportional to 263,064.67, 363,064.80 and 148,366.87

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Solution

The fourth proportional to 263,064.67, 363,064.80 and 148,366.87 is: 204,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,064.67 : 363,064.80 = 148,366.87 : x
  2. Step 2: Convert to fraction form
    263,064.67/363,064.80 = 148,366.87/x
  3. Step 3: Cross multiply
    263,064.67x = 363,064.80 × 148,366.87
  4. Step 4: Simplify right side
    263,064.67x = 53,866,787,983.18
  5. Step 5: Solve for x
    x = 53,866,787,983.18/263,064.67
  6. Step 6: Final answer
    x = 204,766.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.