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Finding the Fourth Proportional to 262,042.83, 361,620.32 and 148,871.79

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Solution

The fourth proportional to 262,042.83, 361,620.32 and 148,871.79 is: 205,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,042.83 : 361,620.32 = 148,871.79 : x
  2. Step 2: Convert to fraction form
    262,042.83/361,620.32 = 148,871.79/x
  3. Step 3: Cross multiply
    262,042.83x = 361,620.32 × 148,871.79
  4. Step 4: Simplify right side
    262,042.83x = 53,835,063,594.41
  5. Step 5: Solve for x
    x = 53,835,063,594.41/262,042.83
  6. Step 6: Final answer
    x = 205,443.76

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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.