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Finding the Fourth Proportional to 207,313.62, 310,714.38 and 107,416.32

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Solution

The fourth proportional to 207,313.62, 310,714.38 and 107,416.32 is: 160,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,313.62 : 310,714.38 = 107,416.32 : x
  2. Step 2: Convert to fraction form
    207,313.62/310,714.38 = 107,416.32/x
  3. Step 3: Cross multiply
    207,313.62x = 310,714.38 × 107,416.32
  4. Step 4: Simplify right side
    207,313.62x = 33,375,795,270.68
  5. Step 5: Solve for x
    x = 33,375,795,270.68/207,313.62
  6. Step 6: Final answer
    x = 160,991.81

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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.