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Finding the Fourth Proportional to 103,553.42, 155,362.73 and 36,992.07

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Solution

The fourth proportional to 103,553.42, 155,362.73 and 36,992.07 is: 55,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,553.42 : 155,362.73 = 36,992.07 : x
  2. Step 2: Convert to fraction form
    103,553.42/155,362.73 = 36,992.07/x
  3. Step 3: Cross multiply
    103,553.42x = 155,362.73 × 36,992.07
  4. Step 4: Simplify right side
    103,553.42x = 5,747,188,983.55
  5. Step 5: Solve for x
    x = 5,747,188,983.55/103,553.42
  6. Step 6: Final answer
    x = 55,499.75

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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.