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Finding the Fourth Proportional to 269,563.65, 404,276.27 and 79,979.16

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Solution

The fourth proportional to 269,563.65, 404,276.27 and 79,979.16 is: 119,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,563.65 : 404,276.27 = 79,979.16 : x
  2. Step 2: Convert to fraction form
    269,563.65/404,276.27 = 79,979.16/x
  3. Step 3: Cross multiply
    269,563.65x = 404,276.27 × 79,979.16
  4. Step 4: Simplify right side
    269,563.65x = 32,333,676,082.64
  5. Step 5: Solve for x
    x = 32,333,676,082.64/269,563.65
  6. Step 6: Final answer
    x = 119,948.21

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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.