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Finding the Fourth Proportional to 150,343.44, 207,479.11 and 82,360.39

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Solution

The fourth proportional to 150,343.44, 207,479.11 and 82,360.39 is: 113,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,343.44 : 207,479.11 = 82,360.39 : x
  2. Step 2: Convert to fraction form
    150,343.44/207,479.11 = 82,360.39/x
  3. Step 3: Cross multiply
    150,343.44x = 207,479.11 × 82,360.39
  4. Step 4: Simplify right side
    150,343.44x = 17,088,060,818.84
  5. Step 5: Solve for x
    x = 17,088,060,818.84/150,343.44
  6. Step 6: Final answer
    x = 113,660.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.