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Finding the Fourth Proportional to 220,900.60, 304,834.84 and 135,003.27

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Solution

The fourth proportional to 220,900.60, 304,834.84 and 135,003.27 is: 186,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,900.60 : 304,834.84 = 135,003.27 : x
  2. Step 2: Convert to fraction form
    220,900.60/304,834.84 = 135,003.27/x
  3. Step 3: Cross multiply
    220,900.60x = 304,834.84 × 135,003.27
  4. Step 4: Simplify right side
    220,900.60x = 41,153,701,015.55
  5. Step 5: Solve for x
    x = 41,153,701,015.55/220,900.60
  6. Step 6: Final answer
    x = 186,299.63

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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.