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Finding the Fourth Proportional to 73,870.40, 110,805.60 and 50,250.80

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Solution

The fourth proportional to 73,870.40, 110,805.60 and 50,250.80 is: 75,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,870.40 : 110,805.60 = 50,250.80 : x
  2. Step 2: Convert to fraction form
    73,870.40/110,805.60 = 50,250.80/x
  3. Step 3: Cross multiply
    73,870.40x = 110,805.60 × 50,250.80
  4. Step 4: Simplify right side
    73,870.40x = 5,568,070,044.48
  5. Step 5: Solve for x
    x = 5,568,070,044.48/73,870.40
  6. Step 6: Final answer
    x = 75,376.20

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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.