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Finding the Fourth Proportional to 207,242.44, 310,456.88 and 107,467.86

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Solution

The fourth proportional to 207,242.44, 310,456.88 and 107,467.86 is: 160,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,242.44 : 310,456.88 = 107,467.86 : x
  2. Step 2: Convert to fraction form
    207,242.44/310,456.88 = 107,467.86/x
  3. Step 3: Cross multiply
    207,242.44x = 310,456.88 × 107,467.86
  4. Step 4: Simplify right side
    207,242.44x = 33,364,136,515.88
  5. Step 5: Solve for x
    x = 33,364,136,515.88/207,242.44
  6. Step 6: Final answer
    x = 160,990.85

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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.