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Finding the Fourth Proportional to 136,403.58, 204,601.92 and 36,563.64

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Solution

The fourth proportional to 136,403.58, 204,601.92 and 36,563.64 is: 54,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,403.58 : 204,601.92 = 36,563.64 : x
  2. Step 2: Convert to fraction form
    136,403.58/204,601.92 = 36,563.64/x
  3. Step 3: Cross multiply
    136,403.58x = 204,601.92 × 36,563.64
  4. Step 4: Simplify right side
    136,403.58x = 7,480,990,946.19
  5. Step 5: Solve for x
    x = 7,480,990,946.19/136,403.58
  6. Step 6: Final answer
    x = 54,844.54

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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.