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Finding the Fourth Proportional to 150,706.20, 207,896.02 and 89,416.68

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Solution

The fourth proportional to 150,706.20, 207,896.02 and 89,416.68 is: 123,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,706.20 : 207,896.02 = 89,416.68 : x
  2. Step 2: Convert to fraction form
    150,706.20/207,896.02 = 89,416.68/x
  3. Step 3: Cross multiply
    150,706.20x = 207,896.02 × 89,416.68
  4. Step 4: Simplify right side
    150,706.20x = 18,589,371,893.61
  5. Step 5: Solve for x
    x = 18,589,371,893.61/150,706.20
  6. Step 6: Final answer
    x = 123,348.42

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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.