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Finding the Fourth Proportional to 97,033.80, 133,914.42 and 54,589.80

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Solution

The fourth proportional to 97,033.80, 133,914.42 and 54,589.80 is: 75,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,033.80 : 133,914.42 = 54,589.80 : x
  2. Step 2: Convert to fraction form
    97,033.80/133,914.42 = 54,589.80/x
  3. Step 3: Cross multiply
    97,033.80x = 133,914.42 × 54,589.80
  4. Step 4: Simplify right side
    97,033.80x = 7,310,361,404.92
  5. Step 5: Solve for x
    x = 7,310,361,404.92/97,033.80
  6. Step 6: Final answer
    x = 75,338.30

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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.