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Finding the Fourth Proportional to 136,553.94, 204,868.08 and 41,782.02

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Solution

The fourth proportional to 136,553.94, 204,868.08 and 41,782.02 is: 62,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,553.94 : 204,868.08 = 41,782.02 : x
  2. Step 2: Convert to fraction form
    136,553.94/204,868.08 = 41,782.02/x
  3. Step 3: Cross multiply
    136,553.94x = 204,868.08 × 41,782.02
  4. Step 4: Simplify right side
    136,553.94x = 8,559,802,215.92
  5. Step 5: Solve for x
    x = 8,559,802,215.92/136,553.94
  6. Step 6: Final answer
    x = 62,684.40

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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.