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Finding the Fourth Proportional to 263,501.20, 395,251.80 and 73,961.20

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Solution

The fourth proportional to 263,501.20, 395,251.80 and 73,961.20 is: 110,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,501.20 : 395,251.80 = 73,961.20 : x
  2. Step 2: Convert to fraction form
    263,501.20/395,251.80 = 73,961.20/x
  3. Step 3: Cross multiply
    263,501.20x = 395,251.80 × 73,961.20
  4. Step 4: Simplify right side
    263,501.20x = 29,233,297,430.16
  5. Step 5: Solve for x
    x = 29,233,297,430.16/263,501.20
  6. Step 6: Final answer
    x = 110,941.80

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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.