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Finding the Fourth Proportional to 201,212.76, 301,585.84 and 189,548.76

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Solution

The fourth proportional to 201,212.76, 301,585.84 and 189,548.76 is: 284,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,212.76 : 301,585.84 = 189,548.76 : x
  2. Step 2: Convert to fraction form
    201,212.76/301,585.84 = 189,548.76/x
  3. Step 3: Cross multiply
    201,212.76x = 301,585.84 × 189,548.76
  4. Step 4: Simplify right side
    201,212.76x = 57,165,222,005.56
  5. Step 5: Solve for x
    x = 57,165,222,005.56/201,212.76
  6. Step 6: Final answer
    x = 284,103.36

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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.