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Finding the Fourth Proportional to 136,637.75, 204,962.75 and 41,861.00

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Solution

The fourth proportional to 136,637.75, 204,962.75 and 41,861.00 is: 62,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,637.75 : 204,962.75 = 41,861.00 : x
  2. Step 2: Convert to fraction form
    136,637.75/204,962.75 = 41,861.00/x
  3. Step 3: Cross multiply
    136,637.75x = 204,962.75 × 41,861.00
  4. Step 4: Simplify right side
    136,637.75x = 8,579,946,373.30
  5. Step 5: Solve for x
    x = 8,579,946,373.30/136,637.75
  6. Step 6: Final answer
    x = 62,793.38

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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.