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Finding the Fourth Proportional to 103,350.80, 155,052.60 and 33,230.80

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Solution

The fourth proportional to 103,350.80, 155,052.60 and 33,230.80 is: 49,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,350.80 : 155,052.60 = 33,230.80 : x
  2. Step 2: Convert to fraction form
    103,350.80/155,052.60 = 33,230.80/x
  3. Step 3: Cross multiply
    103,350.80x = 155,052.60 × 33,230.80
  4. Step 4: Simplify right side
    103,350.80x = 5,152,521,940.08
  5. Step 5: Solve for x
    x = 5,152,521,940.08/103,350.80
  6. Step 6: Final answer
    x = 49,854.69

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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.