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Finding the Fourth Proportional to 269,406.66, 404,083.75 and 109,492.18

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Solution

The fourth proportional to 269,406.66, 404,083.75 and 109,492.18 is: 164,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,406.66 : 404,083.75 = 109,492.18 : x
  2. Step 2: Convert to fraction form
    269,406.66/404,083.75 = 109,492.18/x
  3. Step 3: Cross multiply
    269,406.66x = 404,083.75 × 109,492.18
  4. Step 4: Simplify right side
    269,406.66x = 44,244,011,332.04
  5. Step 5: Solve for x
    x = 44,244,011,332.04/269,406.66
  6. Step 6: Final answer
    x = 164,227.61

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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.