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Finding the Fourth Proportional to 263,392, 363,483.52 and 144,162.56

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Solution

The fourth proportional to 263,392, 363,483.52 and 144,162.56 is: 198,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,392 : 363,483.52 = 144,162.56 : x
  2. Step 2: Convert to fraction form
    263,392/363,483.52 = 144,162.56/x
  3. Step 3: Cross multiply
    263,392x = 363,483.52 × 144,162.56
  4. Step 4: Simplify right side
    263,392x = 52,400,714,761.01
  5. Step 5: Solve for x
    x = 52,400,714,761.01/263,392
  6. Step 6: Final answer
    x = 198,945.73

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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.