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Finding the Fourth Proportional to 269,530.56, 403,754.56 and 134,186.85

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Solution

The fourth proportional to 269,530.56, 403,754.56 and 134,186.85 is: 201,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,530.56 : 403,754.56 = 134,186.85 : x
  2. Step 2: Convert to fraction form
    269,530.56/403,754.56 = 134,186.85/x
  3. Step 3: Cross multiply
    269,530.56x = 403,754.56 × 134,186.85
  4. Step 4: Simplify right side
    269,530.56x = 54,178,552,244.07
  5. Step 5: Solve for x
    x = 54,178,552,244.07/269,530.56
  6. Step 6: Final answer
    x = 201,010.80

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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.