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Finding the Fourth Proportional to 73,809.70, 110,714.55 and 50,190.10

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Solution

The fourth proportional to 73,809.70, 110,714.55 and 50,190.10 is: 75,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,809.70 : 110,714.55 = 50,190.10 : x
  2. Step 2: Convert to fraction form
    73,809.70/110,714.55 = 50,190.10/x
  3. Step 3: Cross multiply
    73,809.70x = 110,714.55 × 50,190.10
  4. Step 4: Simplify right side
    73,809.70x = 5,556,774,335.96
  5. Step 5: Solve for x
    x = 5,556,774,335.96/73,809.70
  6. Step 6: Final answer
    x = 75,285.15

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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.