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Finding the Fourth Proportional to 269,798.83, 372,295.85 and 148,932.32

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Solution

The fourth proportional to 269,798.83, 372,295.85 and 148,932.32 is: 205,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,798.83 : 372,295.85 = 148,932.32 : x
  2. Step 2: Convert to fraction form
    269,798.83/372,295.85 = 148,932.32/x
  3. Step 3: Cross multiply
    269,798.83x = 372,295.85 × 148,932.32
  4. Step 4: Simplify right side
    269,798.83x = 55,446,882,060.73
  5. Step 5: Solve for x
    x = 55,446,882,060.73/269,798.83
  6. Step 6: Final answer
    x = 205,511.95

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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.