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Finding the Fourth Proportional to 263,368.46, 363,449.73 and 148,651.96

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Solution

The fourth proportional to 263,368.46, 363,449.73 and 148,651.96 is: 205,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,368.46 : 363,449.73 = 148,651.96 : x
  2. Step 2: Convert to fraction form
    263,368.46/363,449.73 = 148,651.96/x
  3. Step 3: Cross multiply
    263,368.46x = 363,449.73 × 148,651.96
  4. Step 4: Simplify right side
    263,368.46x = 54,027,515,056.26
  5. Step 5: Solve for x
    x = 54,027,515,056.26/263,368.46
  6. Step 6: Final answer
    x = 205,140.41

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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.