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Finding the Fourth Proportional to 301,203.80, 451,808.94 and 90,843.56

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Solution

The fourth proportional to 301,203.80, 451,808.94 and 90,843.56 is: 136,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,203.80 : 451,808.94 = 90,843.56 : x
  2. Step 2: Convert to fraction form
    301,203.80/451,808.94 = 90,843.56/x
  3. Step 3: Cross multiply
    301,203.80x = 451,808.94 × 90,843.56
  4. Step 4: Simplify right side
    301,203.80x = 41,043,931,192.80
  5. Step 5: Solve for x
    x = 41,043,931,192.80/301,203.80
  6. Step 6: Final answer
    x = 136,266.31

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1.5x scale

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.