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Finding the Fourth Proportional to 103,670.30, 155,524.65 and 33,551.90

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Solution

The fourth proportional to 103,670.30, 155,524.65 and 33,551.90 is: 50,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.30 : 155,524.65 = 33,551.90 : x
  2. Step 2: Convert to fraction form
    103,670.30/155,524.65 = 33,551.90/x
  3. Step 3: Cross multiply
    103,670.30x = 155,524.65 × 33,551.90
  4. Step 4: Simplify right side
    103,670.30x = 5,218,147,504.34
  5. Step 5: Solve for x
    x = 5,218,147,504.34/103,670.30
  6. Step 6: Final answer
    x = 50,334.06

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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.