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Finding the Fourth Proportional to 150,546.59, 207,753.97 and 86,884.39

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Solution

The fourth proportional to 150,546.59, 207,753.97 and 86,884.39 is: 119,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,546.59 : 207,753.97 = 86,884.39 : x
  2. Step 2: Convert to fraction form
    150,546.59/207,753.97 = 86,884.39/x
  3. Step 3: Cross multiply
    150,546.59x = 207,753.97 × 86,884.39
  4. Step 4: Simplify right side
    150,546.59x = 18,050,575,480.34
  5. Step 5: Solve for x
    x = 18,050,575,480.34/150,546.59
  6. Step 6: Final answer
    x = 119,900.27

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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.