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Finding the Fourth Proportional to 223,714.20, 335,960.10 and 118,738.20

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Solution

The fourth proportional to 223,714.20, 335,960.10 and 118,738.20 is: 178,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,714.20 : 335,960.10 = 118,738.20 : x
  2. Step 2: Convert to fraction form
    223,714.20/335,960.10 = 118,738.20/x
  3. Step 3: Cross multiply
    223,714.20x = 335,960.10 × 118,738.20
  4. Step 4: Simplify right side
    223,714.20x = 39,891,297,545.82
  5. Step 5: Solve for x
    x = 39,891,297,545.82/223,714.20
  6. Step 6: Final answer
    x = 178,313.66

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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.