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Finding the Fourth Proportional to 269,054.62, 403,441.72 and 100,436.27

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Solution

The fourth proportional to 269,054.62, 403,441.72 and 100,436.27 is: 150,602.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,054.62 : 403,441.72 = 100,436.27 : x
  2. Step 2: Convert to fraction form
    269,054.62/403,441.72 = 100,436.27/x
  3. Step 3: Cross multiply
    269,054.62x = 403,441.72 × 100,436.27
  4. Step 4: Simplify right side
    269,054.62x = 40,520,179,501.98
  5. Step 5: Solve for x
    x = 40,520,179,501.98/269,054.62
  6. Step 6: Final answer
    x = 150,602.06

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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.