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Finding the Fourth Proportional to 73,339.61, 109,991.80 and 33,858.80

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Solution

The fourth proportional to 73,339.61, 109,991.80 and 33,858.80 is: 50,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,339.61 : 109,991.80 = 33,858.80 : x
  2. Step 2: Convert to fraction form
    73,339.61/109,991.80 = 33,858.80/x
  3. Step 3: Cross multiply
    73,339.61x = 109,991.80 × 33,858.80
  4. Step 4: Simplify right side
    73,339.61x = 3,724,189,638.59
  5. Step 5: Solve for x
    x = 3,724,189,638.59/73,339.61
  6. Step 6: Final answer
    x = 50,780.06

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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.