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Finding the Fourth Proportional to 201,236.80, 301,855.20 and 107,924.80

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Solution

The fourth proportional to 201,236.80, 301,855.20 and 107,924.80 is: 161,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,236.80 : 301,855.20 = 107,924.80 : x
  2. Step 2: Convert to fraction form
    201,236.80/301,855.20 = 107,924.80/x
  3. Step 3: Cross multiply
    201,236.80x = 301,855.20 × 107,924.80
  4. Step 4: Simplify right side
    201,236.80x = 32,577,662,088.96
  5. Step 5: Solve for x
    x = 32,577,662,088.96/201,236.80
  6. Step 6: Final answer
    x = 161,887.20

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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.