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Finding the Fourth Proportional to 104,136.80, 156,172.91 and 37,568.28

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Solution

The fourth proportional to 104,136.80, 156,172.91 and 37,568.28 is: 56,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,136.80 : 156,172.91 = 37,568.28 : x
  2. Step 2: Convert to fraction form
    104,136.80/156,172.91 = 37,568.28/x
  3. Step 3: Cross multiply
    104,136.80x = 156,172.91 × 37,568.28
  4. Step 4: Simplify right side
    104,136.80x = 5,867,147,423.45
  5. Step 5: Solve for x
    x = 5,867,147,423.45/104,136.80
  6. Step 6: Final answer
    x = 56,340.77

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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.