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Finding the Fourth Proportional to 84,757.91, 127,136.84 and 32,167.40

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Solution

The fourth proportional to 84,757.91, 127,136.84 and 32,167.40 is: 48,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,757.91 : 127,136.84 = 32,167.40 : x
  2. Step 2: Convert to fraction form
    84,757.91/127,136.84 = 32,167.40/x
  3. Step 3: Cross multiply
    84,757.91x = 127,136.84 × 32,167.40
  4. Step 4: Simplify right side
    84,757.91x = 4,089,660,790.49
  5. Step 5: Solve for x
    x = 4,089,660,790.49/84,757.91
  6. Step 6: Final answer
    x = 48,251.08

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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.