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Finding the Fourth Proportional to 241,398.65, 362,131.79 and 72,899.85

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Solution

The fourth proportional to 241,398.65, 362,131.79 and 72,899.85 is: 109,359.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,398.65 : 362,131.79 = 72,899.85 : x
  2. Step 2: Convert to fraction form
    241,398.65/362,131.79 = 72,899.85/x
  3. Step 3: Cross multiply
    241,398.65x = 362,131.79 × 72,899.85
  4. Step 4: Simplify right side
    241,398.65x = 26,399,352,806.73
  5. Step 5: Solve for x
    x = 26,399,352,806.73/241,398.65
  6. Step 6: Final answer
    x = 109,359.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.