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Finding the Fourth Proportional to 262,043.58, 361,621.35 and 148,872.54

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Solution

The fourth proportional to 262,043.58, 361,621.35 and 148,872.54 is: 205,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,043.58 : 361,621.35 = 148,872.54 : x
  2. Step 2: Convert to fraction form
    262,043.58/361,621.35 = 148,872.54/x
  3. Step 3: Cross multiply
    262,043.58x = 361,621.35 × 148,872.54
  4. Step 4: Simplify right side
    262,043.58x = 53,835,488,892.73
  5. Step 5: Solve for x
    x = 53,835,488,892.73/262,043.58
  6. Step 6: Final answer
    x = 205,444.79

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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.