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Finding the Fourth Proportional to 73,878.40, 110,817.60 and 50,258.80

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Solution

The fourth proportional to 73,878.40, 110,817.60 and 50,258.80 is: 75,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,878.40 : 110,817.60 = 50,258.80 : x
  2. Step 2: Convert to fraction form
    73,878.40/110,817.60 = 50,258.80/x
  3. Step 3: Cross multiply
    73,878.40x = 110,817.60 × 50,258.80
  4. Step 4: Simplify right side
    73,878.40x = 5,569,559,594.88
  5. Step 5: Solve for x
    x = 5,569,559,594.88/73,878.40
  6. Step 6: Final answer
    x = 75,388.20

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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.