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Finding the Fourth Proportional to 73,213.20, 109,746.90 and 33,701.40

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Solution

The fourth proportional to 73,213.20, 109,746.90 and 33,701.40 is: 50,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,213.20 : 109,746.90 = 33,701.40 : x
  2. Step 2: Convert to fraction form
    73,213.20/109,746.90 = 33,701.40/x
  3. Step 3: Cross multiply
    73,213.20x = 109,746.90 × 33,701.40
  4. Step 4: Simplify right side
    73,213.20x = 3,698,624,175.66
  5. Step 5: Solve for x
    x = 3,698,624,175.66/73,213.20
  6. Step 6: Final answer
    x = 50,518.54

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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.