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Finding the Fourth Proportional to 185,356.53, 255,705.96 and 108,850.80

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Solution

The fourth proportional to 185,356.53, 255,705.96 and 108,850.80 is: 150,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,356.53 : 255,705.96 = 108,850.80 : x
  2. Step 2: Convert to fraction form
    185,356.53/255,705.96 = 108,850.80/x
  3. Step 3: Cross multiply
    185,356.53x = 255,705.96 × 108,850.80
  4. Step 4: Simplify right side
    185,356.53x = 27,833,798,310.77
  5. Step 5: Solve for x
    x = 27,833,798,310.77/185,356.53
  6. Step 6: Final answer
    x = 150,163.57

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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.