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Finding the Fourth Proportional to 136,803.56, 204,784.90 and 116,625.44

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Solution

The fourth proportional to 136,803.56, 204,784.90 and 116,625.44 is: 174,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,803.56 : 204,784.90 = 116,625.44 : x
  2. Step 2: Convert to fraction form
    136,803.56/204,784.90 = 116,625.44/x
  3. Step 3: Cross multiply
    136,803.56x = 204,784.90 × 116,625.44
  4. Step 4: Simplify right side
    136,803.56x = 23,883,129,288.25
  5. Step 5: Solve for x
    x = 23,883,129,288.25/136,803.56
  6. Step 6: Final answer
    x = 174,579.74

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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.