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Finding the Fourth Proportional to 82,757.60, 124,136.40 and 32,849.60

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Solution

The fourth proportional to 82,757.60, 124,136.40 and 32,849.60 is: 49,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,757.60 : 124,136.40 = 32,849.60 : x
  2. Step 2: Convert to fraction form
    82,757.60/124,136.40 = 32,849.60/x
  3. Step 3: Cross multiply
    82,757.60x = 124,136.40 × 32,849.60
  4. Step 4: Simplify right side
    82,757.60x = 4,077,831,085.44
  5. Step 5: Solve for x
    x = 4,077,831,085.44/82,757.60
  6. Step 6: Final answer
    x = 49,274.40

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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.