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Finding the Fourth Proportional to 102,809.44, 154,237.38 and 36,254.44

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Solution

The fourth proportional to 102,809.44, 154,237.38 and 36,254.44 is: 54,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,809.44 : 154,237.38 = 36,254.44 : x
  2. Step 2: Convert to fraction form
    102,809.44/154,237.38 = 36,254.44/x
  3. Step 3: Cross multiply
    102,809.44x = 154,237.38 × 36,254.44
  4. Step 4: Simplify right side
    102,809.44x = 5,591,789,838.97
  5. Step 5: Solve for x
    x = 5,591,789,838.97/102,809.44
  6. Step 6: Final answer
    x = 54,389.85

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1.5x scale

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.