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Finding the Fourth Proportional to 269,337.32, 404,005.32 and 79,812.44

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Solution

The fourth proportional to 269,337.32, 404,005.32 and 79,812.44 is: 119,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,337.32 : 404,005.32 = 79,812.44 : x
  2. Step 2: Convert to fraction form
    269,337.32/404,005.32 = 79,812.44/x
  3. Step 3: Cross multiply
    269,337.32x = 404,005.32 × 79,812.44
  4. Step 4: Simplify right side
    269,337.32x = 32,244,650,362.18
  5. Step 5: Solve for x
    x = 32,244,650,362.18/269,337.32
  6. Step 6: Final answer
    x = 119,718.46

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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.