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Finding the Fourth Proportional to 73,951.20, 110,926.80 and 54,122.40

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Solution

The fourth proportional to 73,951.20, 110,926.80 and 54,122.40 is: 81,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,951.20 : 110,926.80 = 54,122.40 : x
  2. Step 2: Convert to fraction form
    73,951.20/110,926.80 = 54,122.40/x
  3. Step 3: Cross multiply
    73,951.20x = 110,926.80 × 54,122.40
  4. Step 4: Simplify right side
    73,951.20x = 6,003,624,640.32
  5. Step 5: Solve for x
    x = 6,003,624,640.32/73,951.20
  6. Step 6: Final answer
    x = 81,183.60

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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.