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Finding the Fourth Proportional to 269,574.49, 404,318.79 and 89,644.93

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Solution

The fourth proportional to 269,574.49, 404,318.79 and 89,644.93 is: 134,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,574.49 : 404,318.79 = 89,644.93 : x
  2. Step 2: Convert to fraction form
    269,574.49/404,318.79 = 89,644.93/x
  3. Step 3: Cross multiply
    269,574.49x = 404,318.79 × 89,644.93
  4. Step 4: Simplify right side
    269,574.49x = 36,245,129,627.23
  5. Step 5: Solve for x
    x = 36,245,129,627.23/269,574.49
  6. Step 6: Final answer
    x = 134,453.11

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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.