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Finding the Fourth Proportional to 136,601.70, 204,853.33 and 57,722.07

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Solution

The fourth proportional to 136,601.70, 204,853.33 and 57,722.07 is: 86,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,601.70 : 204,853.33 = 57,722.07 : x
  2. Step 2: Convert to fraction form
    136,601.70/204,853.33 = 57,722.07/x
  3. Step 3: Cross multiply
    136,601.70x = 204,853.33 × 57,722.07
  4. Step 4: Simplify right side
    136,601.70x = 11,824,558,253.99
  5. Step 5: Solve for x
    x = 11,824,558,253.99/136,601.70
  6. Step 6: Final answer
    x = 86,562.31

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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.