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Finding the Fourth Proportional to 201,616.80, 301,987.80 and 166,624.80

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Solution

The fourth proportional to 201,616.80, 301,987.80 and 166,624.80 is: 249,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,616.80 : 301,987.80 = 166,624.80 : x
  2. Step 2: Convert to fraction form
    201,616.80/301,987.80 = 166,624.80/x
  3. Step 3: Cross multiply
    201,616.80x = 301,987.80 × 166,624.80
  4. Step 4: Simplify right side
    201,616.80x = 50,318,656,777.44
  5. Step 5: Solve for x
    x = 50,318,656,777.44/201,616.80
  6. Step 6: Final answer
    x = 249,575.71

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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.