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Finding the Fourth Proportional to 109,553.50, 151,183.84 and 59,252.50

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Solution

The fourth proportional to 109,553.50, 151,183.84 and 59,252.50 is: 81,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,553.50 : 151,183.84 = 59,252.50 : x
  2. Step 2: Convert to fraction form
    109,553.50/151,183.84 = 59,252.50/x
  3. Step 3: Cross multiply
    109,553.50x = 151,183.84 × 59,252.50
  4. Step 4: Simplify right side
    109,553.50x = 8,958,020,479.60
  5. Step 5: Solve for x
    x = 8,958,020,479.60/109,553.50
  6. Step 6: Final answer
    x = 81,768.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.