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Finding the Fourth Proportional to 269,809.83, 404,732.25 and 89,887.59

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Solution

The fourth proportional to 269,809.83, 404,732.25 and 89,887.59 is: 134,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,809.83 : 404,732.25 = 89,887.59 : x
  2. Step 2: Convert to fraction form
    269,809.83/404,732.25 = 89,887.59/x
  3. Step 3: Cross multiply
    269,809.83x = 404,732.25 × 89,887.59
  4. Step 4: Simplify right side
    269,809.83x = 36,380,406,547.78
  5. Step 5: Solve for x
    x = 36,380,406,547.78/269,809.83
  6. Step 6: Final answer
    x = 134,837.22

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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.