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Finding the Fourth Proportional to 150,865.80, 226,298.70 and 80,881.80

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Solution

The fourth proportional to 150,865.80, 226,298.70 and 80,881.80 is: 121,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,865.80 : 226,298.70 = 80,881.80 : x
  2. Step 2: Convert to fraction form
    150,865.80/226,298.70 = 80,881.80/x
  3. Step 3: Cross multiply
    150,865.80x = 226,298.70 × 80,881.80
  4. Step 4: Simplify right side
    150,865.80x = 18,303,446,193.66
  5. Step 5: Solve for x
    x = 18,303,446,193.66/150,865.80
  6. Step 6: Final answer
    x = 121,322.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.