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Finding the Fourth Proportional to 223,468.20, 335,169.90 and 65,680.20

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Solution

The fourth proportional to 223,468.20, 335,169.90 and 65,680.20 is: 98,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,468.20 : 335,169.90 = 65,680.20 : x
  2. Step 2: Convert to fraction form
    223,468.20/335,169.90 = 65,680.20/x
  3. Step 3: Cross multiply
    223,468.20x = 335,169.90 × 65,680.20
  4. Step 4: Simplify right side
    223,468.20x = 22,014,026,065.98
  5. Step 5: Solve for x
    x = 22,014,026,065.98/223,468.20
  6. Step 6: Final answer
    x = 98,510.78

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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.